Structure Part of Head. Extend from Superciliary arches anterior, to superior nauchal lines posterior. Made of 5 Layers
Layers of SCALP Skin Connective Tissue (Deep) Apo neurosis Connective Tissue (Loose) Periosteum
Muscles of SCALP Occipitofrontalis Origin • Occipital Process – Superior Nauchal Line • Frontal Process – Superciliary Arches Insertion • Both are Inserted in Epicranial Eponeurosis Nerve Supply • Facial Nerve Function • Move Scalp • Raise Eyebrows
Arteries of SCALP Supplied by Branches of External Carotid & Ophthalmic Artery (Branch of Internal Carotid Artery)
SCALP Blood Supply via BranchesExternal Carotid Artery Branches Superficial Temporal Posterior Auricle Occipital Artery These Branches Supply Posterior & Lateral Part of SCALP
SCALP Blood Supply via Branches ofOphthalmic Artery Branches Supratrochlear Supraorbital These Branches supply Anterior and Superior part of SCALP
Veins of SCALP Same route as Arteries of SCALP. Supratrochlear & Supraorbital join and forms Facial Vein Superficial Temporal forms Retromandibular vein Posterior Auricle form External Juglar Vein Occipital form Internal Juglar Vein
Lymph Drainage of SCALP It also follows same pattern of Arteries of SCALP. Lymph Nodes for Drainage of SCALP OccipitalNode Cervical Node Mastoid Node Parotid Node Pre-auricle Node Sub-Mandibular Node
SCALP Lymph Nodes with Area ofDrainage Occipital & Cervical Node Both Drain form Occipital Region of SCALP Mastoid Node Drains from Posterior to Vertex of Skull Parotid & Pre-Auricle Node Drain form Anterior to Vertex of Skull Sub-Mandibular Node Drain from Fore Head.
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