Scalp Anatomy Overview

Layers of the Scalp

• The thickest layer of the scalp is the connective tissue layer.

Aponeurosis Layer

• Another name for the aponeurosis layer of the scalp is the galea aponeurotica.

Loose Areolar Connective Tissue

• The loose areolar connective tissue layer of the scalp allows substances such as bacteria and blood to pass freely.

Scalp Movement

• The epicranius muscle (occipitofrontalis) is responsible for movement of the scalp.

Scalp Proper

• The subcutaneous tissue layer is often called the 'scalp proper'.

Vascular Layer

• The subaponeurotic layer of the scalp is heavily vascularized and contains arteries, veins, and nerves.

Occipitofrontalis Muscle

• The primary function of the occipitofrontalis (epicranius) muscle is to move the scalp.

Epicranial Aponeurosis

• The epicranial aponeurosis is a structure that extends from the superciliary arches anteriorly to the external occipital protuberance and superior nuchal lines posteriorly.

Scalp Avulsion

• The subgaleal or subaponeurotic layer of the scalp separates with scalp avulsion.

Galea Aponeurotica

• Another name for the galea aponeurotica is the epicranial aponeurosis.

Learn about the anatomy of the scalp from a board-certified dermatologist and venereologist, Dr. Alaa Hamid Faeel. Understand the layers of the scalp and the structures extending from various points on the head and neck.