Covers the fronto-parieto-occipital region of the scalp, its boundaries and surface landmarks such as the frontal and parietal tubers and the external occipital protuberance. It then reviews clinical points including trauma sensitivity, surgical access to the brain, vascular tumours and hair transplantation, before listing the five layers from skin to bone, with a picture of the layers and the epicranius muscle.
Topic 198 of 236 in the MU Pleven syllabus for Anatomy Bones and Muscles (Medicine, Year 2). The free AceMed note covers it in 5 sections, about 135 words (1 min of reading), with 15 flashcards.
In this note
FRONTO-PARIETO-OCCIPITAL REGION
Location
Surface features :
Clinical Significance :
Layers
Location
Covers the upper part of the head, above the lines run along the superior margin of the orbit, the superior temporal line, the superior nuchal line.
Surface features :
Includes notable bumps & landmarks such as the the frontal & parietal tubers at the front & top, and the external occipital protuberance at the back.
Clinical Significance :
1. This region is sensitive to trauma & injuries.
2. Surgical access to the brain.
3. The rich blood supply of this region can lead to vascular tumors.
4. Cosmetic Procedures such as hair transplantation.
Layers
1. Skin : thick, hairy towards the back
Contains oil-producing glands.
2. Fatty tissues.
3. Muscles : epicranius m. (frontal belly + Parietal belly)
4. Loose Connective tissue Contains many blood vessels
5. Bones : 3 flat bones.
Covered by periosteum.
Covered from inside by the dura mater.
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