Nerves: sometimes used to = veins, in wing structures.
Nervi: belonging or referring to the nerves.
Nervulation: arrangement of the nerves: specifically applied to the arrangement of the chitinous framework of wings and thus= venation; q.v. Nervules or Nervures: the rod or vein-like structures supporting the membranes of wings and = veins and veinlets; q.v.
Nervuration: = nervulation and venation: q.v.
Neural canal: an incomplete tunnel on the floor of meso- and metathorax, formed by fusion of apodemes, serving for the reception and protection of the ventral nerve cord and for the attachment of muscles.
Neural groove: is that furrow in the primitive layer of the embryo in which the nerve cord is formed.
Neuration: = venation; q.v.
Neurilemma: the external sheath of a nerve fibre.
Neuroblast: the large cell in the early embryo, from which the nervous system develops.
Neuromere: that part of a body segment pertaining to the nervous system.