bones of the cranium Flashcards
features of the frontal bone
frontal eminence temporal lines supraorbital margin supraorbital ridge supraorbital notch zygomatic process glabella impressions of the frontal lobe sagittal sulcus frontal crest - anchors falx cerebri frontal sinuses ethmoid notch nasal spine meningeal grooves
features of the parietal bone
frontal angle occipital angle mastoid angle sphenoidal angle superior and inferior temporal lines parietal striae parietal bosses meningeal lines sagittal sulcus arachnoid granulations sigmoid sulcus
features of the temporal bone
squamous portion petrous/mastoid portion mastoid process external auditory meatus internal auditory meatus supramastoid and suprameatal crests styloid process stylomastoid foramen mastoid foramen mastoid notch jugular fossa glenoid fossa groove for transverse sinus
features of the occipital bone
external occipital protuberance superior nuchal line inferior nuchal line external occipital crew foramen magnum occipital condyle groove of medulla oblongata condylar foramen and fossa hypoglossal canal basilar process pars lateralis jugular notch jugular process internal occipital crest sagittal sulcus transverse sulcus cruciform eminence
features of the sphenoid
rostrum lesser wing greater wing superior orbital fissure optic foramen foramen rotundum foramen ovale foramen spinosum foramen lacerum sella turcica anterior and posterior clinoid processes basilar synchondrosis medial and lateral pterygoid plates pterygoid fossa
features of the zygomatic
frontosphenoidal process temporal process maxillary process orbital margin zygomaticofacial foramen zygomaticoorbital foramen zygomaticotemporal foramen
features of the maxilla
frontal process maxillary sinus anterior nasal spine canine eminence alveolar eminence zygomatic process infraorbital foramen incisive foramen palatine process
features of the palatine
horizontal plate
perpendicular plate
pyrimidal process
greater and lesser palatine foramen
features of the nasal
nasal foramen
lateral margin
features of the lacrimal
lacrimal crest
anterior
lacrimal groove
features of the ethmoid
Cribriform plate – olfactory foramina Crista galli (sits in ethmoid groove) Ethmoid sinuses Lamina orbitalis/orbital plate Perpendicular plate (most inferior part) Superior and inferior nasal concha
features of the inferior nasal conchae
Articulates with ethmoid, maxilla, lacrimal and palatine
Lamina of spongy bone
One of three turbinates
features of the vomer
Articulates with sphenoid, ethmoid, the palatine bones and the maxillae
Covered in sensitive tissue that aids smelling.
Ala
Vomerine groove
features of the ear ossicles
Malleolus, incus and stapes
Contained within middle ear
Conduct sound to inner ear
Very small
features of the mandible
Body or corpus Ramus Coronoid process Mandibular condyle Gonial angle Gonial flaring Mentum/mental protuberance Mental foramen Mental spines Mylohyoid groove Mylohyoid line Sublingual and submandibular fossae Above/below mylohyoid line, for glands (salivary)
