Base of skull

Skull base
	Base of the skull, inner surface
	Base of the skull, inferior or outer surface. Showing various muscle attachments.
Details
Identifiers
Latin	basis cranii; externa et. interna
TA	A02.1.00.044
FMA	52801
	Anatomical terms of bone [edit on Wikidata]

The base of skull is the most inferior area of the skull, composed of the endocranium and lower parts of the skull roof.

Structure[edit]

Base of the skull. Inferior surface, attachment of muscles marked in red.

Structures found at the base of the skull are for example:

There are 5 bones that make up the Base of the skull -

Exobasis

Endobasis-resistances beams

Endobasis-resistances nodes

The foramina in the base of the skull are exit and entry-points for veins, arteries and cranial nerves.

The cranial nerves as they exit through various foramina.

v t e Compound structures of skull
Neurocranium	Calvaria Diploë Asterion Pterion Stephanion Inion Bregma Lambda Fossae anterior middle posterior cranial cavity Base of skull Fontanelle anterior posterior sphenoidal mastoid
Facial skeleton	Nasion Gonion
Both	dacryon zygomatic arch temporal fossa infratemporal fossa pterygomaxillary fissure pterygopalatine fossa