1. THE SCALP

2. Structure of the Scalp 1. Skin. 2. Connective tissue beneath the skin.
3. Aponeurosis (epicranial).
4. Loose areolar tissue.
5. Pericranium.

4. Muscles of the Scalp Occipitofrontalis: Origin: Insertion: N. supply:
Action:

6. Sensory N. Supply of the Scalp
1. Supratrochlear n.
2. Supraorbital n.
3. Zygomaticotemporal n.
4. Auriculotemporal n.
5. Lesser occipital n.
6. Greater occipital n.

9. Arterial Supply of the Scalp
1. Supratrochlear & Supraorbital as.
2. Superficial temporal a.
3. Pos. auricular a.
4. Occipital a.

11. Venous Drainage of the Scalp
1. Supratrochlear & Supraorbital vs.
2. Superficial temporal v.
3. Pos. auricular v.
4. Occipital v.

13. Lymph Drainage of the Scalp
1. Submandibular lymph nodes.
2. Superficial parotid (Preauricular) lymph nodes.
3. Mastoid lymph nodes.
4. Occipital lymph nodes.

15. THE FACE

16. Skin of the Face
No deep fascia.

17. Sensory Nerves of the Face
Function:
1. supply skin of the face.
2. supply proprioceptive fibers to underlying ms. of facial expression.
3. sensory n. supply to the mouth, teeth, nasal cavities, & paranasal air sinuses.

18. Ophthalmic n.:
1. lacrimal n.
2. supraorbital n.
3. supratrochlear n.
4. infratrochlear n.
5. external nasal n.
Maxillary n.:
1. infraorbital n.
2. zygomaticofacial n.
3. zygomaticotemporal n.
Mandibular n.:
1. mental n.
2. buccal n.
3. auriculotemporal n.

20. Arterial Supply of the Face
Facial a.:
1. submental a.
2. inf. labial a.
3. sup. labial a.
4. lat. nasal a.
Superficial temporal a.:
transverse facial a.
Ophthalmic a.:
supraorbital & supratrochlear as.

22. Venous Drainage of the Face
Facial v.
Transverse facial v.

24. Lymph Drainage of the Face
1. Submandibular lymph nodes (with few buccal lymph nodes).
2. Parotid lymph nodes.
3. Submental lymph nodes.

26. Bones of the Face Sup. orbital margin. Lat. orbital margin.
Inf. orbital margin.
Med. orbital margin.
Root of the nose.
Middle third of the face.
Lower third of the face.

28. Muscles of the Face
Origin.
Insertion.
N. supply.
Function.

29. Muscles of the eyelids:
Sphincter m.: orbicularis oculi.
Dilator ms.:
(1) levator palpebrae superioris.
(2) occipitofrontalis.

31. Muscles of the nostrils:
Sphincter m.: compressor naris.
Dilator m.: dilator naris.

33. Muscles of the lips :
Sphincter m.: orbicularis oris.
Origin.
Insertion.
N. supply.
Action.
Dilator m.:
(1) levator labii superioris aleque nasi.
(2) levator labii superioris.
(3) zygomaticus minor.
(4) zygomaticus major.
(5) levator anguli oris.
(6) risorius.
(7) depressor anguli oris.
(8) depressor labii inferioris.
(9) mentalis.

35. Muscle of the cheek (Buccinator):
Origin.
Insertion.
N. supply.
Action.

37. Facial N. 1. temporal branch. 2. zygomatic branch. 3. buccal branch.
4. mandibular branch.
5. cervical branch.