[TA] the ventral branch of the nerve is forked to enter into the formation of both lumbar and sacral plexuses. Synonym(s): furcal nerve, nervus furcalis
fourth lum·bar nerve [L4]
(fōrth lŭm'bahr nĕrv) [TA] The ventral branch of the nerve is forked to enter into the formation of both lumbar and sacral plexuses.