1. Anatomy of SCALP
S.S Hotchandani

2. Structure
 Part of Head.
 Extend from Superciliary arches
anterior, to superior nauchal lines
posterior.
 Made of 5 Layers

4. Layers of SCALP
 Skin
 Connective Tissue (Deep)
 Apo neurosis
 Connective Tissue (Loose)
 Periosteum

6. 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

7. Frontal
Process
Occipital
Process

8. Innervations of SCALP
 SCALP is inerveted in two portions.
 Part of Scalp Anterior to Ear & Vertex of
Skull.
 Part of Scalp Posterior to Ear & Vertex of
Skull

9. Innervations of Part of SCALP anterior to
Ear & Vertex of Skull
 Innervated by Branches of Trigeminal
Nerve of Cranial Nerves.
 Branches
 Supratrochlear Nerve
 Supraorbital Nerve
 Zygomaticotemporal Nerve
 Auricotemporal Nerve

10. Innervation of Part of Skull Posterior to
Ear & Vertex of Skull
 Innervated by Branches from C2 & C3
of Cervical Nerves.
 Branches
 Great Aurical Nerve
 Lesser Occipital Nerve
 Greater Occipital Nerve
 3rd Occipital Nerve

12. Blood Supply of SCALP
 Arterial
 Venous

13. Arteries of SCALP
 Supplied by Branches of External
Carotid & Ophthalmic Artery (Branch
of Internal Carotid Artery)

14. SCALP Blood Supply via Branches
External Carotid Artery
 Branches
 Superficial Temporal
 Posterior Auricle
 Occipital Artery
 These Branches Supply Posterior &
Lateral Part of SCALP

15. SCALP Blood Supply via Branches of
Ophthalmic Artery
 Branches
 Supratrochlear
 Supraorbital
 These Branches supply Anterior and
Superior part of SCALP

17. 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

18. 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

20. SCALP Lymph Nodes with Area of
Drainage
 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.