It is to be observed that in the secondary folds of these wings the angles of the folds are surmounted by a nervure.
The second principal, and often strongest, nervure of the wing.
When an areolet juts out on one side into an angle from which no nervure proceeds, to form another areolet.
Wings whose margin is every where strengthened by a nervure.
When a nervure, or a branch of it, after running towards the apex of the wing, turns back and runs towards the base.
Neuron, nū′ron, n. the cerebro-spinal axis in its entirety: a nervure of an insect's wing.
A nervure that in some cases intervenes between the externo-medial and interno-medial.