Nervure and Vascular strand

Nervure noun - Any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ.

Vascular strand and nervure are semantically related. In some cases you can use "Vascular strand" instead a noun "Nervure".

Vascular strand noun - A unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem.

Nervure and vascular strand are semantically related. Sometimes you can replace term "Nervure" with "Vascular strand", this terms are similar.