Situated between neural spines or arches.
Chiefly with reference to the dermal spines, bones, or plates supporting the dorsal fin rays in fish.
Situated or occurring between nerves or neurons.
An interneural spine, bone, or plate in a fish. See sense A. 1. Usually in plural.
Mid 19th century; earliest use found in Richard Owen (1804–1892), comparative anatomist and palaeontologist. From inter- + neural.