sensory root of trigeminal nerve

(redirected from portio major nervi trigemini)

sen·so·ry root of tri·gem·i·nal nerve

[TA]
the large sensory root of the trigeminal (or fifth cranial) nerve, extending from the semilunar ganglion into the pons through the middle cerebellar peduncle or brachium pontis, immediately lateral to the small motor root.