Olfactory nerve CN1
sensory- smell
- innervation at receptors of olfactory epithelium
Optice nerve CNII
#NAME?
oculomotor nerve CNIII
motor- eye movements
innervation-
motor somatic innervation= superior/ inferior/ medial rectus
inferior oblique muscle
levator palpebrae superioris
motor visceral innervation= intrinsic eye muscles
trochlear nerve CN IV
Motor- eye movements
innervation- superior oblique muscle
Trigeminal nerve CN V
Both- 3 branches
1. opthalmic branch- sensory, nose up
2. maxillary branch- sensory, nose down
3. mandibular branch- sensory in mouth & motor in mastication
Abducens nerve CN VI
Motor- eye movements
innervation- lateral rectus muscle
Facial Nerve CN VII
Both
sensory- taste receptors on anterior 2/3 of tongue
motor- facial expression/ salivary/ nasal mucous/ lacrimal glands
Vestibulocochlear nerve CN VIII
sensory- hearing and balance
innervation- inner ear
glossopharyngeal nerve CNIX
both
sensory- mouth & carotid artery
motor- pharyngeal muscles & paratoid salivary gland
vagus nerve CN X
Both
sensory- mouth/ ears/ viscera
motor- mouth/ / viscera
Accessory nerve CNXI
motor
internal branch- palate/ pharynx/ larynx
external branch- sternocleidomastoid/ trapezius muscle
Hypoglossal nerve CN XII
Motor- tongue movements
innervation- muscles of tongue
what is plexus?
joining of ventral rami bundled together
cervical plexus (C1- C5) innervates
head neck shoulders diaphragm
brachial plexus (C6-T1) innervates
upper limbs
epineurium is
#NAME?
perineurium is
connective tissue around fasicle (contains axons)
endoneurium is
connective tissue around an axon