Last 4 Cranial Nerves (Anatomy of the Neck)
-
Upload
dr-sherif-fahmy -
Category
Education
-
view
96 -
download
1
Transcript of Last 4 Cranial Nerves (Anatomy of the Neck)
![Page 1: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/1.jpg)
LAST 4 CRANIAL NERVES(Page 92)
Dr. Sherif Fahmy
![Page 2: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/2.jpg)
Deep Origin (Nuclei) of Last 4 cranial nerves
9th C.N.
10th C.N. 11th C.N. 12th C.N.
Motor -Nucleus Ambiguus Hypo-glossal nucleus
Sensory Spinal nucleus of trigeminal nerve
No No
Taste Nucleus solitarius No No
Para-sympathetic
Inf. Salivary (9th) & dorsal nucleus
(10th)
No No
-Upper 5 cervical segments
Dr. Sherif Fahmy
![Page 3: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/3.jpg)
Medulla oblongata
Pons
Midbrain
Inferior view of the Brain
Dr. Sherif Fahmy
![Page 4: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/4.jpg)
9th & 10th CN
11th CN 12th CN
Medulla oblongata
Dr. Sherif Fahmy
![Page 5: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/5.jpg)
Parotid gland
Carotid sheathLower 4 cranial ns
Styloid process
Dr. Sherif Fahmy
![Page 6: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/6.jpg)
Stylopharyngeus m.
Glossopharyngeal nerve
Dr. Sherif Fahmy
![Page 7: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/7.jpg)
Glossopharyngeal n.
Hyoglossus m.
Dr. Sherif Fahmy
![Page 8: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/8.jpg)
Superior belly of omohyoid m.
Posterior belly of digastric m.
Sterno-mastoid m.
Spinal accessory n.
Vagus nerve
Hypoglossal n.
Descendens hypoglossi
Nerve to thyrohyoid m.
Internal jugular vein
Ansa cervicalis
Dr. Sherif Fahmy
![Page 9: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/9.jpg)
Spinal accessory n.
Dr. Sherif Fahmy
![Page 10: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/10.jpg)
Glosso-pharyngeal nerve (9th C.N.)(Page 92)
Dr. Sherif Fahmy
![Page 11: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/11.jpg)
Medulla
Glosso-pharyngeal n.
Jugular foramen
Superior ganglion
Inferior ganglion
Int. jugular vein
Int. carotid art.
Carotid sinus
Ext. carotid art.
Middle constrictor m.
Hyoglossus m.
Post 1/3 of tongue
Palatine tonsil
Soft palate
Course
Carotid
sheath
Styloid processStylopharyngeus m.
Dr. Sherif Fahmy
![Page 12: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/12.jpg)
Glosso-pharyngeal n.
Jugular foramen
Inferior ganglion
Carotid sinus
5- sensory to post. 1/3 of tongue
6- to palatine tonsil
7- to soft palate
Branches
1-Tympanic br.
Lesser superficial petrosal n.
Stylo-phayngeus m.
2-N.to stylo-pharyngeus m.
3- Carotid n.
4- Pharyngeal br. To pharyngeal plexus
Dr. Sherif Fahmy
![Page 13: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/13.jpg)
Vagus Nerve (10th CN)
(Page 94)
Dr. Sherif Fahmy
![Page 14: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/14.jpg)
Medulla
Vagus
Sup. ganglion
Inf. ganglionCarotid sheath
Styloid pr.
Post. Belly of digastric m.
subclavian art. Int. carotid
art.
Int. jugular vein
Course
Dr. Sherif Fahmy
![Page 15: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/15.jpg)
Branches1- Meningeal br. 2- Auricular br.
3- Pharyngeal br.
4- Superior laryngeal br.
Internal laryngeal br.
External laryngeal br.
5- Superior cardiac
6-Inferior cardiac
7- Recurrent laryngeal n. Dr. Sherif Fahmy
![Page 16: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/16.jpg)
Dr. Sherif Fahmy
![Page 17: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/17.jpg)
Accessory Nerve (11th CN)(Page 96)
Dr. Sherif Fahmy
![Page 18: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/18.jpg)
Posterior belly of digastric m.
Sterno-mastoid m.
Spinal accessory n.
Internal jugular vein
Dr. Sherif Fahmy
![Page 19: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/19.jpg)
Spinal accessory n.
Dr. Sherif Fahmy
![Page 20: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/20.jpg)
Cranial root
Spinal root
Vagus nerve
Accessory nerve
Carotid sheathStyloid process
Posterior belly of digastric m.
Sterno-mastoid m.
Trapezius m.
Spinal accessory n.
Course & Branches
Jugular foramen
Dr. Sherif Fahmy
![Page 21: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/21.jpg)
Spinal accessory n.
Sternomastoid m.
Trapezius m.
Dr. Sherif Fahmy
![Page 22: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/22.jpg)
Hypoglossal Nerve(12th CN)(Page 98)
Dr. Sherif Fahmy
![Page 23: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/23.jpg)
Superior belly of omohyoid m.
Posterior belly of digastric m.
Sterno-mastoid m.
Hypoglossal n.
Descendens hypoglossi
Nerve to thyrohyoid m.
Internal jugular vein
Ansa cervicalis
Dr. Sherif Fahmy
![Page 24: Last 4 Cranial Nerves (Anatomy of the Neck)](https://reader034.fdocuments.us/reader034/viewer/2022042723/587f31c91a28ab121d8b63bd/html5/thumbnails/24.jpg)
Hypoglossal n.
Br. From C1 Nerve
Hypoglossal canal
Carotid sheath
Styloid process
Posterior belly of digastric m
Int. jugular vein
Descendens cervicalis Ansa cervicalis
Descendens hypoglossi
N. To thyro-hyoid m.
N. To genio-hyoid m.
To all muscles of tongue except palato-glossus
Course & Branches
ICA
Medulla
Dr. Sherif Fahmy