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5 Cards in this Set

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SCALP LAYERS
I. Layers

A. As noted below, the first letters ofthe layers ofthe scalp, from superficial
to deep, spell SCALP
SCALP

CONNECTIVE TISSUE
-describe
-clinical note
C. Connective tissue

1. Fibrous superficial fascia between the skin and galea aponeurotica; it
contains nerves and vessels

2. Clinical note: bleeding from wounds in this layer is often profuse and
sustained because the vessels are held open by the surrounding fibrous
connective tissue
SCALP

APONEUROSIS
D. Aponeurosis or galea aponeurotica: tough membranous sheet connecting
the frontalis and Occipitalis muscles; represents the deep fascia ofthe scalp
SCALP

LOOSE CT
E. Loose connective tissue

1. Lies between the galea aponeurotica and pericranium and allows move-
ment ofthe first three layers over the skull

2. Clinical notes

a. Infections can spread easily within this layer and emissary veins tra-
versing it can serve to channel extracranial infectious material into
the communicating system ofintracranial dural venous sinuses

b. Traumatic scalping occurs within this layer
PERICRANIUM
F. Pericranium: periosteum covering the outer table ofthe skull