face and scalp

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

Occipitofrontalis: Origin: Insertion: N. supply: Action:

1. Supratrochlear n. 2. Supraorbital n. 3. Zygomaticotemporal n. 4. Auriculotemporal n. 5. Lesser occipital n. 6. Greater occipital n.


1. Supratrochlear & Supraorbital as. 2. Superficial temporal a. 3. Pos. auricular a. 4. Occipital a.


1. Supratrochlear & Supraorbital vs. 2. Superficial temporal v. 3. Pos. auricular v. 4. Occipital v.


1. Submandibular lymph nodes. 2. Superficial parotid (Preauricular) lymph nodes. 3. Mastoid lymph nodes. 4. Occipital lymph nodes.

No deep fascia.

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.


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.


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.

Facial v. Transverse facial v.

1. Submandibular lymph nodes (with few buccal lymph nodes). 2. Parotid lymph nodes. 3. Submental lymph nodes.


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.

Origin. Insertion. N. supply. Function.

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

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

Muscles of the lips : Sphincter m.: orbicularis oris. Origin. Insertion. N. supply. Action. Dilator m.: Origin. Insertion. N. supply. Action. (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.

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

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