Spinal Nerves, Dermatomes, and Cranial Nerves Handout for Cranial Nerves.
9, 10 & 11 cranial nerves
-
Upload
hytham-nafady -
Category
Documents
-
view
635 -
download
2
Transcript of 9, 10 & 11 cranial nerves
Glossopharyngeal, vagus & accessory nerve complexes
Dr / Hytham Nafady
Introduction
Nuclei • The glossopharyngeal & vagus nerves arise from 3
nucleus columns.
Special visceral motor column of the medulla
Nucleus ambiguus
Preganglionic parasympathetic column
Dorsal motor nucleus of vagus
Visceral sensory column Solitary nucleus
3-nucleus ambiguus
1-solitary nucleus
2-dorsal motor nucleus
Vagus nerve
3-nucleus ambiguus
2-dorsal motor nucleus
1-solitary nucleus
Vagus nerve
Jugular foramen
Sphenoid spine
Vaginal process
Hypoglossal canal
Stylomastoid foramen
Carotico-jugular spine
Facial nerve canal
Sigmoid sinus
Facial nerve canal
Petro-occipital fissure
Jugular spine
Cochlear aqueduct Hypotympanum
Petro-occipital fissure
Petro-occipital fissure
Foramen lacerum
Cn10&11
Interjugular process
septum
Cn9
Sigmoid sinus
ICA
IPS Cn9
IPS
Cn9
IPS IPS
Sigmoid sinus
Vagus nerve
Vagus nerve
Pharyngeal plexus
Pharyngeal plexus
SuperiorLaryngeal
nerve
SuperiorLaryngeal
nerve
RecurrentLaryngeal
Nerve
RecurrentLaryngeal
Nerve
External Laryngeal
nerve
External Laryngeal
nerve
Internal Laryngeal
nerve
Internal Laryngeal
nerve
A. Pharyngeal plexus
B. superior laryngeal N.
C. internal laryngeal N.
D. external laryngeal N.
E. recurrent laryngeal N.
Ultrasound imaging of Vagus N.
Vagus N.
Recurrent laryngeal
N.
Vagus N.CCA
IJV
Plexiform neurofibroma of the vagus nerve in patient with NF1
Perineural tumor spread along 9, 10 & 11 cranial nerves from left parotid
acinic cell carcinoma
Glomus vagale
Ultrasound imaging of spinal accessory N.
Inferior tympanic canaliculus
Inferior tympanic canaliculus
Aberrant internal carotid artery with enlarged inferior tympanic canaliculus
Vascular loop compression
VA
Vagus N
VA
Vascular loop compression of the glossopharyngeal N.
• Glossopharyngeal neuralgia in a 56-year-old woman due to neurovascular contact between the left CN IX and the vertebral artery
GP hiatus
GP N.
GP N.
GP N.PICA A
VA
Atrophy of posterior crico-arytenoid muscle
Rt posterior cricoarytenoid
Lt posterior cricoarytenoid
Atrophy of thyro-arytenoid muscle
Thyro-arytenoid Ligament
Trapezius muscle atrophy
Atrophy of trapezius muscle & hypertrophy of levator scapulae muscle
after radical neck dissection