Muscles of head and neck :-
★from the mesoderm :
- Muscles of eyes 3, 4, 6 CN
- muscles of tounge 12 CN

★from the pharyngeal arches:
- Frist pharyngeal arch (muscles of mastication). 5
- 2nd pharyngeal arch (fascial expression). 7
- 3ed pharyngeal arch ( stylopharyngus ). 9
- 4th pharyngeal arch (muscles of pharynx and larynx except stylopharyngus m). 10

Glands of head and neck
1- smoth muscles of eye. 3CN
2- Lacremal gland , sublingual and submandibular gland. 7CN
3- parotid gland. 9CN
4- all gland that originated from fore gut and mid gut + the heart 10 CN

Sensation of the head and neck.
General sense
Special Senses


★General sense
- touch , pain , temperature , pressure , proprioception.
By the 5 , 7 , 9 , 10 CN

★Special Senses
- olfaction 1 CN
- teste. 7 , 9 , 10 CN
- vision 2 CN
- hearing , equilibrium. 8 CN

Functional Components

- General , special
- somatic , visceral
- Efferent , Afferant

General Somatic Efferent ( GSE)

3 CN
4 CN
6 CN
12 CN

Special Vesciral Efferent SVE

5 CN
7 CN
9 CN
10 CN
11 CN

General sommatic afferent ( GSA ) 1975

5 CN
7 CN
9 CN
10 CN