Flashcards: Cranial and Facial Bones Fundamentals — 33 cartões

Ethmoid bone — location?

Unpaired, anterior skull base, connects with several bones.

Ethmoid — function?

Forms part of nasal septum, contains olfactory foramina.

Cribriform plate — role?

Allows passage of olfactory nerves (CN I).

Sphenoid — role?

Central skull base, houses sella turcica.

Perpendicular plate — function?

Forms superior part of the nasal septum.

Temporal — location?

Lateral skull sides, protects ear structures.

Lateral masses — contain?

Ethmoidal air cells (sinuses) and conchae.

Optic canal — content?

Transmits optic nerve and ophthalmic artery.

Sphenoid bone — location?

Central base of skull, behind ethmoid.

Sella turcica — houses?

Pituitary gland.

Sphenoid sella turcica — houses?

Pituitary gland.

Foramen rotundum — nerve?

Transmits CN V2.

Sphenoid foramina — include?

Rotundum (V2), ovale (V3), spinosum (middle meningeal).

Temporal bone features?

Mastoid process, petrous part, styloid process.

Temporal squama — attachment for?

Temporalis muscle.

Mastoid process — contains?

Mastoid air cells.

Petrous part — houses?

Cochlea, vestibular system, inner ear structures.

Carotid canal — Transmits?

Internal carotid artery.

Jugular fossa — contains?

Internal jugular vein.

Pterygoid processes — serve as?

Attachments for muscles of mastication.

Ethmoid's cribriform foramina — transmit?

Olfactory nerves (CN I).

Crista galli — role?

Attachment point for falx cerebri.

Perpendicular plate — part of?

Nasal septum.

Ethmoidal air cells — connect with?

Nasal cavity.

Sphenoid bone — articulations?

Frontal, ethmoid, occipital, temporal, parietals.

Temporal squama — features?

Zygomatic process, groove for artery.

Petrous part — features?

Cochlea, internal acoustic meatus, carotid canal.

Foramen rotundum — nerve transmitted?

V2 (maxillary nerve).

Foramen ovale — nerve transmitted?

V3 (mandibular nerve).

Mastoid process — identification?

Bony prominence behind ear, contains air cells.

Sphenoid wings — key openings?

Optic canals, foramen rotundum, ovale, spinosum.

Temporal bone — houses?

Ear structures, balance, hearing organs.

Pterygoid processes — topography?

Medial and lateral plates for muscle attachment.