Chief Teaches Anatomy

Sternum
Xiphoid process: The sharp projection at the inferior aspect of the sternumBody: The long flat bone just superior to the xiphoid process where the 3rd, 4th, 5th, 6th, and 7th costal cartilages articulate with their respective true ribs and where the 8th through 11th costal cartilages that branch off the 7th costal cartilage articulate with their respective false ribsManubrium: The square-ish region just superior to the body where the 1st costal cartilage articulatesJugular notch: The dip at the superior end of the manubriumClavicular notch: The surfaces lateral to the jugular notch at the superior end of the manubrium which articulate with the sternal end of the clavicleSternal angle: The region between the manubrium and body of the sternum where the 2nd costal cartilage articulates 

Sternum

Xiphoid process: The sharp projection at the inferior aspect of the sternum
Body: The long flat bone just superior to the xiphoid process where the 3rd, 4th, 5th, 6th, and 7th costal cartilages articulate with their respective true ribs and where the 8th through 11th costal cartilages that branch off the 7th costal cartilage articulate with their respective false ribs
Manubrium: The square-ish region just superior to the body where the 1st costal cartilage articulates
Jugular notch: The dip at the superior end of the manubrium
Clavicular notch: The surfaces lateral to the jugular notch at the superior end of the manubrium which articulate with the sternal end of the clavicle
Sternal angle: The region between the manubrium and body of the sternum where the 2nd costal cartilage articulates
 

— 2 years ago with 3 notes
#sternum  #bone  #vertebra  #xiphoid process  #anatomy  #manubrium  #sternal angle  #jugular notch  #clavicular notch 
Sacrum
Coccyx: The sharp projection at the inferior end of the sacrum containing 3-4 fused vertebrae Medial Sacral Crest: The spinous ridge on the posterior side running sagittally from the superior end down to the CoccyxPosterior Sacral Foramina: The holes just lateral to the medial sacral crest on the posterior aspect of the sacrumAnterior Sacral Foramina: The holes just lateral to the medial sacral crest on the anterior aspect of the sacrumAuricular Surface: The ear-like surface on the superior lateral sides of the posterior end of the sacrum which articulates with the auricular surface of the illium of the os coxaeAla: The lateral wings of the superior anterior portion of the sacrum Promontory: The ring-like region at the superior aspect of the sacrum 

Sacrum

Coccyx: The sharp projection at the inferior end of the sacrum containing 3-4 fused vertebrae 
Medial Sacral
Crest: The spinous ridge on the posterior side running sagittally from the superior end down to the Coccyx
Posterior Sacral Foramina: The holes just lateral to the medial sacral crest on the posterior aspect of the sacrum
Anterior Sacral Foramina: The holes just lateral to the medial sacral crest on the anterior aspect of the sacrum
Auricular Surface: The ear-like surface on the superior lateral sides of the posterior end of the sacrum which articulates with the auricular surface of the illium of the os coxae
Ala: The lateral wings of the superior anterior portion of the sacrum 
Promontory: The ring-like region at the superior aspect of the sacrum 

— 2 years ago with 9 notes
#sacrum  #vertebra  #coccyx  #sacral crest  #sacral foramina  #ala  #promontory  #bone  #anatomy 
Lumbar Vertebra
Transverse process: The processes at the lateral ends of the vertebraVertebral foramen: The large hole in the centerSuperior articular facet: The ear-like surface just lateral to the vertebral foramen which articulates with the next inferior articular facetInferior articular facet: The circular surface on the posterior end just lateral to the vertebral foramen which articulates with the next superior articular facetSpinous process: The square projection pointing posteriorlyLamina: Region between The spinous and transverse processesPedicle: The region between the body and transverse process Transverse costal facet: Surface on the tip of the transverse process

Lumbar Vertebra

Transverse process: The processes at the lateral ends of the vertebra
Vertebral foramen: The large hole in the center
Superior articular facet: The ear-like surface just lateral to the vertebral foramen which articulates with the next inferior articular facet
Inferior articular facet: The circular surface on the posterior end just lateral to the vertebral foramen which articulates with the next superior articular facet
Spinous process: The square projection pointing posteriorly
Lamina: Region between The spinous and transverse processes
Pedicle: The region between the body and transverse process 
Transverse costal facet: Surface on the tip of the transverse process

— 2 years ago with 27 notes
#lumbar  #vertebra  #bone  #anatomy 
Thoracic Vertebra
Transverse process: The processes at the lateral ends of the vertebraVertebral foramen: The large hole in the centerSuperior articular facet: The ear-like surface just lateral to the vertebral foramen which articulates with the next inferior articular facetInferior articular facet: The circular surface on the posterior end just lateral to the vertebral foramen which articulates with the next superior articular facetSpinous process: The projection pointing posteriorlyLamina: Region between The spinous and transverse processesPedicle: The region between the body and transverse process Transverse costal facet: Surface on the tip of the transverse processSuperior costal demifacet: Surface on the lateral posterior and superior aspect of the body Inferior costal demifacet: Surface on the lateral posterior and inferior aspect of the body  

Thoracic Vertebra

Transverse process: The processes at the lateral ends of the vertebra
Vertebral foramen: The large hole in the center
Superior articular facet: The ear-like surface just lateral to the vertebral foramen which articulates with the next inferior articular facet
Inferior articular facet: The circular surface on the posterior end just lateral to the vertebral foramen which articulates with the next superior articular facet
Spinous process: The projection pointing posteriorly
Lamina: Region between The spinous and transverse processes
Pedicle: The region between the body and transverse process 
Transverse costal facet: Surface on the tip of the transverse process
Superior costal demifacet: Surface on the lateral posterior and superior aspect of the body 
Inferior costal demifacet: Surface on the lateral posterior and inferior aspect of the body  

— 2 years ago with 26 notes
#Thoracic  #vertebra  #bone  #anatomy  #transverse costal facet  #costal demifacet 
C-2 - “Axis”
Dens: The superior projection which articulates with the articular facet of C-1Transverse process: The processes at the lateral ends of the vertebraTransverse foramen: The holes at the lateral end just medial to the transverse processVertebral foramen: The large hole in the centerSuperior articular facet: The ear-like surface just lateral to the vertebral foramen where the inferior articular facet of C-1 articulatesInferior articular facet: The circular surface on the posterior end just lateral to the vertebral foramen which articulates with the superior articular facet of C-3

C-2 - “Axis”

Dens: The superior projection which articulates with the articular facet of C-1
Transverse process: The processes at the lateral ends of the vertebra
Transverse foramen: The holes at the lateral end just medial to the transverse process
Vertebral foramen: The large hole in the center
Superior articular facet: The ear-like surface just lateral to the vertebral foramen where the inferior articular facet of C-1 articulates
Inferior articular facet: The circular surface on the posterior end just lateral to the vertebral foramen which articulates with the superior articular facet of C-3

— 2 years ago with 10 notes
#axis  #bone  #anatomy  #c-2  #vertebra  #dens 
C-1 Vertebrae - “Atlas”
Transverse process: The processes at the lateral ends of the vertebraTransverse foramen: The holes at the lateral end just medial to the transverse processVertebral foramen: The large hole in the centerSuperior articular facet: The ear-like surface just lateral to the vertebral foramen where the occipital condyles of the occipital bone articulatesAnterior arch: The anterior bridgePosterior arch: The posterior bridge which is more angled than the anterior archArticular facet for dens: The surface on the posterior side of the medial portion of the anterior arch which articulates with the dens of C-2Inferior articular facet: The circular surface on the posterior end just lateral to the vertebral foramen which articulates with the superior articular facet of C-2
*Special features-There is no body-The vertebral foramen is round-Lack of bifid spinous process 

C-1 Vertebrae - “Atlas”

Transverse process: The processes at the lateral ends of the vertebra
Transverse foramen: The holes at the lateral end just medial to the transverse process
Vertebral foramen: The large hole in the center
Superior articular facet: The ear-like surface just lateral to the vertebral foramen where the occipital condyles of the occipital bone articulates
Anterior arch: The anterior bridge
Posterior arch: The posterior bridge which is more angled than the anterior arch
Articular facet for dens: The surface on the posterior side of the medial portion of the anterior arch which articulates with the dens of C-2
Inferior articular facet: The circular surface on the posterior end just lateral to the vertebral foramen which articulates with the superior articular facet of C-2

*Special features
-There is no body
-The vertebral foramen is round
-Lack of bifid spinous process 

— 2 years ago with 10 notes
#c-1  #vertebra  #atlas  #bone  #anatomy  #articular facet for dens  #anterior arch  #posterior arch 
Skull - Anterior View
Orbital surface: The space where the eyes would beFrontal bone: The anterior portion of the skull where the forehead is and makes up the ceiling of the orbital surface Supraorbital foramen: Tiny holes just above the entrance to the orbitals on the anterior surface of the skullLacrimal bone: The bone most anterior and medial in the orbital surfaceZygomatic bone: The cheekbone in this view and makes up the lateral surface of the orbital surfaceMaxilla bone: The upper region of the mouth ending just below the cheekbone and orbitals and makes up the floor of the orbital surfaceAnterior nasal spine: The small sharp project superior to the teeth of the maxilla just below where the base of the nose isMental foramen: Tiny holes on the anterior surface of the mandible just slightly lateral from the center of the bodyZygomatic process of the Maxilla: The process branching from the maxilla part of the cheekboneInfraorbital foramen: The tiny holes just inferior to the entrance of the orbitalsInferior orbital fissure: The inferior slit towards the posterior end of the orbital surfaceSuperior orbital fissure: The slits superior to the inferior orbital fissure in the orbital surfaceNasal cavity: The space posterior to where the nose would beNasolacrimal canal: The hole at the anterior and inferior aspect of the orbital surface by the lacrimal boneAlveolar crest of the maxilla: The gum line ridge superior to the teeth on the maxillaNasal bone: The small surface just superior to the nasal cavity on the anterior surface of the skull in this view inferior to the frontal boneMandible: The lower half of the mouth recognized as the jawMandibular ramus: The vertical portion of the mandible Mandibular angle: The corner where the mandibular ramus changes direction to head anteriorlyAlveolar crest of the mandible: The gum line ridge of the mandible Mandibular condyle: The more posterior and superior end of the mandibular ramus that articulates with the mandibular foss of the temporal boneCoronoid process of the mandible: The short process more anterior to the mandibular condyle Ethmoid bone: Can be seen in this view inside the orbital surface just posterior to the lacrimal boneVomer: The plate in the nasal cavity traveling posterior from the anterior nasal spinePerpendicular plate: The plate posterior and perpendicular to the vomer in the nasal cavityInferior nasal concha: The more inferior cleft on the inside of to walls of the nasal cavity Middle nasal concha: The cleft superior to the inferior nasal concha Sphenoid bone: Can be recognized by its greater wing on the posterior aspect of the orbital surface separating the inferior and superior orbital fissures with the lesser wing also in the posterior end superior to the superior orbital fissure

Skull - Anterior View

Orbital surface: The space where the eyes would be
Frontal bone:
 The anterior portion of the skull where the forehead is and makes up the ceiling of the orbital surface 
Supraorbital foramen: Tiny holes just above the entrance to the orbitals on the anterior surface of the skull
Lacrimal bone: The bone most anterior and medial in the orbital surface
Zygomatic bone: The cheekbone in this view and makes up the lateral surface of the orbital surface
Maxilla bone: The upper region of the mouth ending just below the cheekbone and orbitals and makes up the floor of the orbital surface
Anterior nasal spine: The small sharp project superior to the teeth of the maxilla just below where the base of the nose is
Mental foramen: Tiny holes on the anterior surface of the mandible just slightly lateral from the center of the body
Zygomatic process of the Maxilla: The process branching from the maxilla part of the cheekbone
Infraorbital foramen: The tiny holes just inferior to the entrance of the orbitals
Inferior orbital fissure: The inferior slit towards the posterior end of the orbital surface
Superior orbital fissure: The slits superior to the inferior orbital fissure in the orbital surface
Nasal cavity: The space posterior to where the nose would be
Nasolacrimal canal: The hole at the anterior and inferior aspect of the orbital surface by the lacrimal bone
Alveolar crest of the maxilla: The gum line ridge superior to the teeth on the maxilla
Nasal bone: The small surface just superior to the nasal cavity on the anterior surface of the skull in this view inferior to the frontal bone
Mandible: The lower half of the mouth recognized as the jaw
Mandibular ramus: The vertical portion of the mandible 
Mandibular angle: The corner where the mandibular ramus changes direction to head anteriorly
Alveolar crest of the mandible: The gum line ridge of the mandible 
Mandibular condyle: The more posterior and superior end of the mandibular ramus that articulates with the mandibular foss of the temporal bone
Coronoid process of the mandible: The short process more anterior to the mandibular condyle 
Ethmoid bone: Can be seen in this view inside the orbital surface just posterior to the lacrimal bone
Vomer: The plate in the nasal cavity traveling posterior from the anterior nasal spine
Perpendicular plate: The plate posterior and perpendicular to the vomer in the nasal cavity
Inferior nasal concha: The more inferior cleft on the inside of to walls of the nasal cavity 
Middle nasal concha: The cleft superior to the inferior nasal concha 
Sphenoid bone: Can be recognized by its greater wing on the posterior aspect of the orbital surface separating the inferior and superior orbital fissures with the lesser wing also in the posterior end superior to the superior orbital fissure

— 2 years ago with 20 notes
#skull  #anterior view  #bone  #anatomy  #supraorbital foramen  #anterior nasal spine  #infraorbital foramen  #mental foramen  #superior orbital fissure  #inferior orbital fissure  #nasolacrimal canal  #mandible  #vomer  #perpendicular plate  #nasal concha 
Skull - Lateral View
Parietal bone: The superior portion of the lateral side of the skull behind the foreheadTemporal bone: The circular region of bone on the lateral side of the skull by ear level inferior to the parietal boneZygomatic process: The process coming out of the temporal bone which makes the posterior part of the cheekboneExternal acoustic meatus: The hole in the temporal region where the ear would beMastoid process:  The thick process just inferior to the external auditory meatusStyloid process: The pen-like process inferior to the external auditory meatus medial to the mastoid processMandibular fossa: The depression in the jawline where the mandibular condyle of the mandible articulatesArticular tubercle: The bump under the ridge on the zygomatic process of the cheekboneGreater wing of the sphenoid bone: The view of the sphenoid bone in this view which is anterior to the temporal boneMandible: The jaw bone which makes up the lower half of the mouthMandibular ramus: The portion of the mandible that extends downward from the mandibular fossa of the temporal boneMandibular angle: The corner of the mandible at the end of the ramusMandibular condyle: The tip of the mandible which articulates with the mandibular fossa of the temporal boneAlveolar crest: The lower gum line of the mandible 

Skull - Lateral View

Parietal bone: The superior portion of the lateral side of the skull behind the forehead
Temporal bone: The circular region of bone on the lateral side of the skull by ear level inferior to the parietal bone
Zygomatic process: The process coming out of the temporal bone which makes the posterior part of the cheekbone
External acoustic meatus: The hole in the temporal region where the ear would be
Mastoid process:  The thick process just inferior to the external auditory meatus
Styloid process: The pen-like process inferior to the external auditory meatus medial to the mastoid process
Mandibular fossa: The depression in the jawline where the mandibular condyle of the mandible articulates
Articular tubercle: The bump under the ridge on the zygomatic process of the cheekbone
Greater wing of the sphenoid bone: The view of the sphenoid bone in this view which is anterior to the temporal bone
Mandible: The jaw bone which makes up the lower half of the mouth
Mandibular ramus: The portion of the mandible that extends downward from the mandibular fossa of the temporal bone
Mandibular angle: The corner of the mandible at the end of the ramus
Mandibular condyle: The tip of the mandible which articulates with the mandibular fossa of the temporal bone
Alveolar crest: The lower gum line of the mandible 

— 2 years ago with 28 notes
#alveolar crest  #anatomy  #articular tubercle  #bone  #external auditory meatus  #lateral view  #mandible  #mastoid process  #skull  #zygomatic process  #external acoustic meatus 
Skull - Inferior View
Maxilla: The portion of the bone that consists of the upper part of the mouth and teethPalatine process: A horizontal process which, in this view, can be identified as the roof surface of the mouth that stops around the last to molar teeth areaIncisive fossa: A tiny hole sitting just posteriorly to the two front teeth on the roof of the maxillaPalatine bone: Known as the soft palette which is the horizontal region just posterior to the palatine process, also recognized as the hard palette  Horizontal palette: The horizontal aspect o the palatine boneGreater palatine foramen: The holes just medial to the last set of molars on the posterior edge of the palatine boneSphenoid bone: Difficult to identify in this view, but is just posterior to the maxilla and more superior and can be recognized as a butterfly-like bone which the wings branch out laterallyForamen Magnum: The large obvious hole and if you can’t find it, kill yourselfForamen lacerum: The two sets of holes which are the most medial to the center of the body and anterior to the foramen magnumForamen ovale: The oval holes lateral to the foramen lacerumForamen spinosum: The tiny holes just lateral to the foramen ovaleTemporal bone: The very rigid and mountainous bone sitting lateral to the foramen magnumMastoid process: The thick process at the lateral portion of the skull in same coronal plane as the foramen magnumStyloid process: The sharp pen-like process just medial to the mastoid processMandibular fossa: A depression just anterior to the mastoid process where the mandibular condyle of the mandible articulatesArticular tubercle: The base of the ridge that makes up the cheekbone just anterior to the mandibular fossaJugular fossa and foramen: The oblique cut of an oblong hole just medial to the styloid process and lateral to the foramen magnumCarotid canal: Another slightly oblique cut of a small hole just anterior to the jugular fossa and foramenOccipital bone: The large smooth posterior bone of the skull in this view which contains the foramen magnum and separated from the complex mountain-like surface of the temporal boneOccipital condyles: The two bumps just lateral to the foramen magnum where the superior articulating facet of the first cervical vertebra articulatesExternal occipital protuberance: The little bump posterior from the foramen magnum which can be palpated at the lower back surface of the skull just before the neck startsHypoglossal canal: The tiny hole lateral to the foramen magnum and medial to the jugular foramen 

Skull - Inferior View

Maxilla: The portion of the bone that consists of the upper part of the mouth and teeth
Palatine process: A horizontal process which, in this view, can be identified as the roof surface of the mouth that stops around the last to molar teeth area
Incisive fossa: A tiny hole sitting just posteriorly to the two front teeth on the roof of the maxilla
Palatine bone: Known as the soft palette which is the horizontal region just posterior to the palatine process, also recognized as the hard palette  
Horizontal palette: The horizontal aspect o the palatine bone
Greater palatine foramen: The holes just medial to the last set of molars on the posterior edge of the palatine bone
Sphenoid bone: Difficult to identify in this view, but is just posterior to the maxilla and more superior and can be recognized as a butterfly-like bone which the wings branch out laterally
Foramen Magnum: The large obvious hole and if you can’t find it, kill yourself
Foramen lacerum: The two sets of holes which are the most medial to the center of the body and anterior to the foramen magnum
Foramen ovale: The oval holes lateral to the foramen lacerum
Foramen spinosum: The tiny holes just lateral to the foramen ovale
Temporal bone: The very rigid and mountainous bone sitting lateral to the foramen magnum
Mastoid process: The thick process at the lateral portion of the skull in same coronal plane as the foramen magnum
Styloid process: The sharp pen-like process just medial to the mastoid process
Mandibular fossa: A depression just anterior to the mastoid process where the mandibular condyle of the mandible articulates
Articular tubercle: The base of the ridge that makes up the cheekbone just anterior to the mandibular fossa
Jugular fossa and foramen: The oblique cut of an oblong hole just medial to the styloid process and lateral to the foramen magnum
Carotid canal: Another slightly oblique cut of a small hole just anterior to the jugular fossa and foramen
Occipital bone: The large smooth posterior bone of the skull in this view which contains the foramen magnum and separated from the complex mountain-like surface of the temporal bone
Occipital condyles: The two bumps just lateral to the foramen magnum where the superior articulating facet of the first cervical vertebra articulates
External occipital protuberance: The little bump posterior from the foramen magnum which can be palpated at the lower back surface of the skull just before the neck starts
Hypoglossal canal: The tiny hole lateral to the foramen magnum and medial to the jugular foramen
 

— 2 years ago with 24 notes
#skull  #inferior view  #bone  #anatomy  #incisive fossa  #greater palatine foramen  #foramen magnum  #foramen  #spinosum  #ovale  #mastoid process  #styloid process  #mandibular fossa  #occipital condyles  #external occipital protuberance 
Skull - Internal View
Frontal bone: The anterior portion of the skull where the forehead residesFrontal crest: The sharp “V” lip of the frontal bone sitting medially and anteriorly in anatomical positionFrontal sinus: Area deep to the frontal crestEthmoid bone: Part of the anterior side of the internal aspect of the skull sitting medially and looks like a crow’s beak surrounded by a plate containing several foraminaCrista Gali: The beak of the ethmoid boneCribriform plate: The plate surrounding the crista galiForamina of the cribriform plate: The holes in the cribriform plate Foramen Magnum: The large hole close to the center of the skull in this viewSphenoid bone: The butterfly-type bone containing several small holes sitting in the center of the internal aspect of the skull posterior to the ethmoid bone and anterior to the foramen magnumLesser Wing: The more superior butterfly wings of the sphenoid bone just posterior to the sphenoid boneGreater Wing: The larger inferior butterfly wings of the sphenoid bone which includes the surface of the small localized holesSella Turcica: The saddle-like projected surface of the sphenoid sitting in between the two lesser wingsForamen ovale: The oval holes lateral to the sella turcica on both left and right sidesForamen Spinosum: The tiny round holes just lateral and posterior to both foramen ovaleForamen Rotundum: The tiny round holes more medial and anterior to the set of foramen ovale sitting closer to the sella turcica and sometimes hidden under the lesser wings of the sphenoidForamen Lacerum: The slightly larger and round holes medial to the foramen ovale which are connected to a canalTemporal bone: Less identifiable in this view, but sits in the center and lateral to the foramen magnum and starts anteriorly under the greater wing of the sphenoidJugular Foramen: The large oblong hole just lateral to the foramen magnum in the center of this viewInternal Acoustic Meatus:  An oblique canal just anterior to the jugular foramenGroove for Sigmoid Sinus: A smooth groove outlining the posterior end of the temporal bone that leads like a water slide into the jugular foramenOccipital bone: The most posterior surface of the skull in this internal view which represents the back base of the headHypoglossal canal: A very tiny canal just lateral to the foramen magnum and medial to the jugular foramenGroove for the transverse sinus: Another waterslide-like groove on the posterior end of the skull that follows in a transverse plane Groove for the sagittal sinus: A groove running in the sagittal plane that crosses the groove for the transverse sinus on the posterior aspect of the skull in the internal view

Skull - Internal View

Frontal bone: The anterior portion of the skull where the forehead resides
Frontal crest: The sharp “V” lip of the frontal bone sitting medially and anteriorly in anatomical position
Frontal sinus: Area deep to the frontal crest
Ethmoid bone: Part of the anterior side of the internal aspect of the skull sitting medially and looks like a crow’s beak surrounded by a plate containing several foramina
Crista Gali: The beak of the ethmoid bone
Cribriform plate: The plate surrounding the crista gali
Foramina of the cribriform plate: The holes in the cribriform plate 
Foramen Magnum: The large hole close to the center of the skull in this view
Sphenoid bone: The butterfly-type bone containing several small holes sitting in the center of the internal aspect of the skull posterior to the ethmoid bone and anterior to the foramen magnum
Lesser Wing: The more superior butterfly wings of the sphenoid bone just posterior to the sphenoid bone
Greater Wing: The larger inferior butterfly wings of the sphenoid bone which includes the surface of the small localized holes
Sella Turcica: The saddle-like projected surface of the sphenoid sitting in between the two lesser wings
Foramen ovale: The oval holes lateral to the sella turcica on both left and right sides
Foramen Spinosum: The tiny round holes just lateral and posterior to both foramen ovale
Foramen Rotundum: The tiny round holes more medial and anterior to the set of foramen ovale sitting closer to the sella turcica and sometimes hidden under the lesser wings of the sphenoid
Foramen Lacerum: The slightly larger and round holes medial to the foramen ovale which are connected to a canal
Temporal bone: Less identifiable in this view, but sits in the center and lateral to the foramen magnum and starts anteriorly under the greater wing of the sphenoid
Jugular Foramen: The large oblong hole just lateral to the foramen magnum in the center of this view
Internal Acoustic Meatus:  An oblique canal just anterior to the jugular foramen
Groove for Sigmoid Sinus: A smooth groove outlining the posterior end of the temporal bone that leads like a water slide into the jugular foramen
Occipital bone: The most posterior surface of the skull in this internal view which represents the back base of the head
Hypoglossal canal: A very tiny canal just lateral to the foramen magnum and medial to the jugular foramen
Groove for the transverse sinus: Another waterslide-like groove on the posterior end of the skull that follows in a transverse plane 
Groove for the sagittal sinus: A groove running in the sagittal plane that crosses the groove for the transverse sinus on the posterior aspect of the skull in the internal view

— 2 years ago with 15 notes
#skull  #internal view  #bone  #anatomy  #frontal crest  #crista gali  #cribriform plate  #foramen magnum  #sella turcica  #foramen ovale  #foramen spinosum  #foramen rotundum  #foramen lacerum  #jugular foramen  #internal acoustic meatus  #hypoglossal canal