nervure

1. A vein in the wing of an insect.

   one of the horny ribs that stiffen and support the wing of an insect

2. One of the ribs in a groined vault; a projecting moulding.

3. (архаичное)Any of the veins that form the branching framework of conducting and supporting tissues in a leaf or other plant organ.

   any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ

правильный