Glossary

Cranium

The cranium of the skull comprises all of the bones of the skull except for the mandible.

 

Skull

The skull refers to all of the bones that comprise the head.

 

Calvaria

The calvaria refers to the cranium without the facial bones attached.

 

Calotte

The calotte consists of the calvaria from which the base has been removed.

 

Splanchocranium

The splanchocranium refers to the facial bones of the skull.

 

Neurocranium

The neurocranium refers only to the braincase of the skull.

 

Endocranial

Refers to the interior of the braincase.

 

Suture

The saw-like edge of a cranial bone that serves as joint between bones of the skull.

 

Fissure

A narrow slit or gap.

 

Foramen

A hole in a bone usually for the transmission of blood vessels and/or nerves.

 

Fossa

A pit, depression, or concavity, on a bone, or formed from several bones.

 

Spinous

Descriptive of a sharp, slender process.

 

Tubercle

A small process or bump, an eminence.

 

Tuberosity

A large rounded process or eminence.

 

Pterion

H shaped suture between the frontal, parietal, squamous temporal and the greater wing of the sphenoid.

 

Suprameatal triangle

Located supero-posteriorly to the external auditory meatus, formed by a tangent off the opening of the EAM, the anterior edge of the mastoid process and the superior margin of the opening of the EAM.

It overlies the mastoid antrum (air space) and tenderness here suggests infection of the air space(mastoiditis).


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CHAPTER 1: THE SKULL AND SCALP