Karteikarten: Cranial Bone Anatomy Fundamentals — 37 Karten

Ethmoid — location?

Unpaired, anterior skull base.

Cranium — bones forming?

Ethmoid, sphenoid, temporal, other bones.

Ethmoid — joints?

Joins frontal, nasal, sphenoid bones.

Ethmoid — location?

Anterior skull base; nasal septum, orbit walls.

Ethmoid — parts?

Cribriform plate, perpendicular plate, labyrinth, conchae.

Sphenoid — role?

Houses sella turcica; central skull base.

Cribriform plate — CN I?

Transmits olfactory nerve (CN I).

Temporal bone — function?

Houses ear structures; forms lateral skull base.

Perpendicular plate — role?

Forms superior part of nasal septum.

Foramen rotundum — transmits?

V2 (maxillary nerve).

Ethmoidal labyrinth — contains?

Air cells (ethmoidal sinuses).

Optic canal — formed by?

Lesser and greater wings of sphenoid.

Conchae — purpose?

Air filtration and warming.

Mastoid process — contains?

Air cells communicating with middle ear.

Meatuses — location?

Below each concha.

Lamina papyracea —?

Thin part of ethmoid, medial orbit wall.

Sphenoid — location?

Central skull base.

Sphenoid — parts?

Body, lesser wings, greater wings, pterygoid processes.

Sphenoid — sella turcica?

Houses pituitary gland.

Lesser wings — features?

Form optic canals.

Greater wings — features?

Form temporal surface, foramina rotundum, ovale, spinosum.

Pterygoid processes — function?

Muscle attachment, shape pterygoid fossa.

Optic canal — location?

Between lesser and greater wings.

Temporal bone — parts?

Squama, zygomatic process, mastoid, petrous, styloid.

Squama — role?

Attachment for temporalis muscle.

Mastoid process — contains?

Air cells (mastoid air cells).

Petrous part — houses?

Inner ear structures.

Stylomastoid foramen — transmits?

Facial nerve (CN VII).

Temporal bone — main functions?

Protects hearing, balance organs, neurovascular structures.

Zygomatic process — articulates?

Zygomatic bone.

Meatus — meaning?

Passageway for mucous membranes.

Fornamen rotundum — nerve?

Maxillary nerve (V2).

Fornamen ovale — nerve?

Mandibular nerve (V3).

Fornamen spinosum — contains?

Middle meningeal artery.

Mastoid process — attached muscles?

Neck muscles like sternocleidomastoid.

Inner ear in petrous part — functions?

Hearing and balance.

Cranial bone ossification?

Endochondral ossification.