1Usually in form neurenteric. Designating a transient communication between the archenteron and the neural tube (or the yolk sac and the amniotic cavity) in vertebrate embryos. Also: designating a congenital malformation arising from a persistent connection between embryonic neural and intestinal tissue.
2Of or relating to the neural structures or function of the gastrointestinal tract.
Late 19th century; earliest use found in Francis Maitland Balfour (1851–1882), comparative embryologist and morphologist. From neuro- + enteric.