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Questions and Answers
What is located anteriorly to the scalp?
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'?
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?
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?
Where do the layers of scalp arranged from outwards inwards start?
Which structure gives attachment to the occipito-frontalis muscle in the scalp?
Which structure gives attachment to the occipito-frontalis muscle in the scalp?
Which muscle elevates the eyebrows as in surprise?
Which muscle elevates the eyebrows as in surprise?
What is the nerve supply to the Occipitalis muscle?
What is the nerve supply to the Occipitalis muscle?
Which bone does the Occipital bellies of the Occipito-frontalis muscle arise from?
Which bone does the Occipital bellies of the Occipito-frontalis muscle arise from?
Which area of the scalp is known as a Dangerous area due to loose areolar C.T.?
Which area of the scalp is known as a Dangerous area due to loose areolar C.T.?
Which artery is responsible for supplying blood to the scalp behind the ear?
Which artery is responsible for supplying blood to the scalp behind the ear?
Flashcards
Scalp Layers
Scalp Layers
The layers of the scalp, starting from the outside: Skin, Connective tissue, Aponeurosis, and pericranium.
Supra-Orbital Margins
Supra-Orbital Margins
The edges of the eye sockets, located above the eyes.
Connective Tissue (Scalp)
Connective Tissue (Scalp)
The middle layer of the scalp, functioning to bind the skin and underlying aponeurosis.
Aponeurosis
Aponeurosis
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Frontal Muscle function
Frontal Muscle function
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Occipitalis muscle origin
Occipitalis muscle origin
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Posterior auricular artery
Posterior auricular artery
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Dangerous Area (Scalp)
Dangerous Area (Scalp)
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Occipitalis nerve supply
Occipitalis nerve supply
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Scalp Skin Layer
Scalp Skin Layer
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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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