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SCALP - Coggle Diagram
SCALP
Layers
Skin
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Firmly adherent to Epicranial Aponeurosis by Dense Connective Tissue of Superficial Fascia as in Palm and Soles
Contain Maximum number of Hair Follicles and associated Sebaceous glands and also contain numerous Sweat glands
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Loose Areolar Tissue
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This layer is traversed by Emissary veins connecting veins in the Second layer of Scalp with interacting dural Venous Sinuses
Pericranium
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Loosely attached to the bones and can be easily to sutural membrane, which in turn attaches to the endocranium
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Occipitofrontalis Muscle
Origin and Insertion
Frontal Bellies
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Deeper Fibres of Frontal belly merge with Procerus, Corrugator Suprcilii and Orbicularis Oculi Muscle
Longer, Wider and partly united with each other alomg their Medial Borders
Occipital Bellies
Arise from Lateral 2/3 of Superior Nuchal Line and extend forward to be inserted into the Epicranial Aponeurosis
Two bellies are small and seperated from each other by a gap and that is filled by Epicranial Aponeurosis
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Emissary Vein
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Veins connecting the Veins outside the Cranium with the Intracranial Dural Venous Sinuses by passing through Foramina
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Lymphatic Drainage
Anterior Part (except lower half of the forehead) drain into Periauricular Lymph (Superficial Parotid Lymph)
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Extent
Extends Anteriorly up to the Eyebrows (Superciliary Arches), Posteriorly up to the Superior Nuchal Lines and Laterally on each side up to the Superior Temporal Line