Scalp

Ahmed Shteiwi

Boundaries

SCALP

The area bordered by the forehead, superior part of the cranium, and occipital area immediately superior to the superior nuchal line The lateral portion of the scalp blends with the temporal area because it extends inferiorly to the zygomatic arch Anatomy of the scalp is important because of frequent trauma in this region

content

The soft tissues of the scalp are arranged in five layers

S : SkinC : Connective TissueA : AponeurosisL : loose connective tissueP : Periosteum

Note that the first letters of the names of the five layers spell the word “scalp.”

Vascular supply

Vascular Supply of the Scalp

GENERAL INFORMATION

• Highly vascularized; the vessels anastomose freely on the scalp

• Arteries are derived from the external and the internal carotid arteries

VENOUS DRAINAGE

Nerve supply

Nerve Supply of the ScalpSensory supply is derived from all 3 divisions of: • Trigeminal nerve• Cervical plexus• Upper cervical dorsal rami

These nerves travel in the scalp’s connective tissue layer

Muscles

Thank you

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