Flashcards: Cranial and Facial Bones Anatomy — 27 cards

Ethmoid — location?

Unpaired anterior skull base bone.

Ethmoid bone — role?

Forms part of nasal cavity and orbit.

Cribriform plate — role?

Allows passage of CN I.

Sphenoid bone — function?

Connects skull bones, houses pituitary.

Olfactory foramina — function?

Transmit olfactory nerves.

Temporal bone — structures?

Contains ear structures, neurovascular foramina.

Perpendicular plate — location?

Forms superior part of nasal septum.

Cribriform plate — purpose?

Allows olfactory nerve fibers passage.

Lateral masses — contents?

Ethmoidal air cells (sinuses).

Sella turcica — role?

Houses and protects the pituitary gland.

Ethmoidal air cells — number?

3 to 18 in the lateral masses.

Foramina of sphenoid — transmit?

Cranial nerves V2, V3, vessels.

Sphenoid — location?

Central skull base, behind eyes.

Mastoid process — contains?

Air cells, attaches neck muscles.

Sphenoid sinus — features?

Paired air cavities, separated by a septum.

Sella turcica — houses?

Pituitary gland.

Sphenoid foramina — examples?

Rotundum, ovale, spinosum.

Temporal squamous part — role?

Attaches temporalis muscle.

Temporal mastoid part — contains?

Mastoid air cells.

Temporal petrous part — contains?

Inner ear structures.

Zygomatic process — role?

Articulates with zygomatic bone.

Mastoid process — function?

Muscle attachment; contains air cells.

Internal acoustic meatus — transmits?

Facial and vestibulocochlear nerves.

Carotid canal — role?

Passage for internal carotid artery.

Stylomastoid foramen — transmits?

Facial nerve (CN VII).

Petrous bone — key feature?

Houses inner ear and nerves.

Temporal bone parts — names?

Squamous, mastoid, petrous.