Cranial Bones w/ function Flashcards
Frontal bone
Frontal Sinus
Parietal
Temporal - zygomatic process:
forms zygomatic arch with the temporal process of the zygomatic bone
Temporal - mandibular fossa:
articulates with mandible
Temporal - Styloid process
attach muscles of
tongue
pharynx
hyoid bone
Temporal - Mastoid process
sinus that communicates with the middle ear cavity
Temporal - Internal acoustic meatus:
passageway for vestibulocochlear nerve
Temporal - Carotid canal:
passageway for internal carotid artery
Temporal – Jugular foramen
passageway for internal jugular vein
- articulated skill w/ the occipital bone
Occipital - Foreman magnum
passageway for spinal cord
Occipital - / condyle
articulates w/ atlas (C1)
Occipital - Hypoglossal canal +
passageway for hypoglossal nerve (CN XII)
Occipital - External occipital protuberance
where nuchal ligament binds skill to vertebral column
Occipital - Jugular foreman +
passageway for internal jugular vein
articulated skull w/ the temporal bone
Sphenoid - sella turcica +
where the pituitary gland (hypophysis) resides
Sphenoid - Optic Canal / foramen
passageway for optic nerve (CN II)
Sphenoid - Choanae / posterior nasal apertures / internal nares
passageway from nasal cavity to pharynx
Sphenoid
forms the posterior part of the orbit
Ethmoid - Perpendicular Plate
forms the superior part of the nasal septum
Ethmoid - Nasal Septum
divides right and left nasal cavity
Ethmoid - Crista Galli
attachment for meninges
Ethmoid - cribriform plate
roof of nasal cavity
Ethmoid sinuses
air cells
Ethmoid - middle nasal conchae
lateral to perpendicular plate
clean
humidify
warm air
during inhalation
Ethmoid - what do the Lateral sides form?
medial part of the orbit