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10 Questions

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Anatomy of Scalp Layers Quiz

Created by

@SpontaneousZinnia

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Questions and Answers

What is located anteriorly to the scalp?

Superior Temporal Lines

Posterior Nuchal Lines

External Occipital Protuberance

Supra-Orbital Margins (correct)

Which layer of the scalp corresponds to the letter 'C' in the word 'SCALP'?

Aponeurosis

Connective tissues (correct)

Skin

Pericranium

What is the function of the connective tissue layer of the scalp?

Gives attachment to occipito-frontalis muscle

Forms the skin

Bends the skin to underlying aponeurosis (correct)

Contains hair follicles, vessels, and nerves

Where do the layers of scalp arranged from outwards inwards start?

Skin Signup and view all the answers

Which structure gives attachment to the occipito-frontalis muscle in the scalp?

Aponeurosis Signup and view all the answers

Which muscle elevates the eyebrows as in surprise?

Frontalis Signup and view all the answers

What is the nerve supply to the Occipitalis muscle?

Facial nerve Signup and view all the answers

Which bone does the Occipital bellies of the Occipito-frontalis muscle arise from?

Occipital bone Signup and view all the answers

Which area of the scalp is known as a Dangerous area due to loose areolar C.T.?

Sub-aponeurotic space Signup and view all the answers

Which artery is responsible for supplying blood to the scalp behind the ear?

Posterior auricular artery Signup and view all the answers

Study Notes

Scalp Anatomy

The skin is located anteriorly to the scalp.
The 'C' in the word 'SCALP' corresponds to the connective tissue layer of the scalp.
The function of the connective tissue layer of the scalp is to provide a loose areolar tissue layer that allows for movement of the scalp.
The layers of the scalp, arranged from outwards inwards, start with the skin.
The galea aponeurotica gives attachment to the occipito-frontalis muscle in the scalp.
The frontalis muscle elevates the eyebrows, as in surprise.
The nerve supply to the Occipitalis muscle is provided by the posterior branch of the facial nerve (cranial nerve VII).
The occipital bellies of the Occipito-frontalis muscle arise from the occipital bone.
The scalp behind the ear is known as a "Dangerous area" due to the loose areolar connective tissue (CT) located there.
The posterior auricular artery is responsible for supplying blood to the scalp behind the ear.

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Description

Test your knowledge on the layers of the scalp as described in the anatomy of scalp, including the skin, connective tissue, aponeurosis (Galea aponeurotica), and loose areolar connective tissue.