Questions and Answers
What is located anteriorly to the scalp?
Which layer of the scalp corresponds to the letter 'C' in the word 'SCALP'?
What is the function of the connective tissue layer of the scalp?
Where do the layers of scalp arranged from outwards inwards start?
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Which structure gives attachment to the occipito-frontalis muscle in the scalp?
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Which muscle elevates the eyebrows as in surprise?
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What is the nerve supply to the Occipitalis muscle?
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Which bone does the Occipital bellies of the Occipito-frontalis muscle arise from?
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Which area of the scalp is known as a Dangerous area due to loose areolar C.T.?
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Which artery is responsible for supplying blood to the scalp behind the ear?
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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.
