SP CORD – beginning & end = extent
- support = spinal meninges
PATHWAY OF GENERAL SENSATION FROM ANT. 2/3 OF TONGUE
- Lingual n. → mandibular branch of trigeminal → pg 93 ( copy exactly )
MOTOR ROOT OF TRIGEMINAL N.
Origin : motor nucleus in pons
Course : - fibres lies lateral to trigeminal ganglia.
- pass through foramen ovale
- join mandibular n.
Distribution : supply ms of mastication
+ mylohyoid + ant. Belly digastric
OCCULOMOTOR N.
Origin : pg 133 bk neuro
Course : - appear medial to cerebral peduncle
- pierce dura infront of point of decussation
- enter cavernous sinus
- enter orbit through sup. Orbital fissure
- divide into sup. & inf. Division
- sup division : supply sup rectus ms
Levator palpebral superiosis
- inf division : inf rectus + inf oblique ms
credit to WAKIL ANAT
from, DR RANIA
Post a Comment