Epicranium
Epicranium
The Epicranium (pronounced: eh-pi-kra-ni-um) is a term used in anatomy to describe the upper part of the cranium, specifically the superficial fascia and muscles covering the outer surface of the skull.
Etymology
The term "Epicranium" is derived from the Greek words "epi" meaning 'upon' and "kranion" meaning 'skull'.
Anatomy
The Epicranium is composed of two main parts: the Occipitofrontalis and the Galea aponeurotica. The Occipitofrontalis is a muscle which covers parts of the skull. It consists of two parts, the Frontalis and the Occipitalis, connected by the Galea aponeurotica, a tough layer of dense fibrous tissue which covers the upper part of the cranium.
Function
The primary function of the Epicranium is to facilitate facial expressions, particularly those that involve movement of the eyebrows and forehead. It also plays a role in the protection of the skull.
Related Terms
External links
- Medical encyclopedia article on Epicranium
- Wikipedia's article - Epicranium
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