1. Scalp and General structure
Head Region
Scalp and General structure

2. Skull Consists of neurocranium and facial skeleton Nasion Vertex
Supercillary arches
(Nasion)

3. Lambda

4. Frankfort (anatomical) Plane
Bregma
Pterion
Asterion
Pterion overlies middle meningeal artery; found 2 fingers above zygomatic arch, and a thumb behind postorbital process of zygomatic bone

8. Skull Development

9. Mandible

10. Scalp
S –skin
C –connective tissue with strong collagen fibers, some fat, the blood supply and nerves for the skin
A –aponeurosis of occipitalis and frontalis m. (wounds here gap widely)
L –loose CT with large amount of fat, contains emissary veins that may drain into meningeal veins (danger area of scalp)
P –pericranium (periosteum of cranium)

11. Scalp and Face Muscles

12. Facial Muscles (deep) Corrugator Procerus (thinned)
Levator labii superior
Nasalis
Zygomaticus
Orbicularis oris
Masseter
Mentalis
Depressor anguli oris

13. CN VII
-motor supply to scalp and facial muscles and 2 salivary glands; sensory in otic region and ant. 2/3 of tongue taste buds

14. CN V
-the sensory nerve of the face and motor nerve to muscles of mastication (V1 & V2 are sensory only, V3 is mixed)

15. Arterial Supply

16. Venous Drainage

17. Lymph Drainage