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Pronunciation varies by accent · noun
(botany) A minor, nonsupporting vein in a leaf of a plant; a branch vein of a nervure (supporting vein) or of another nervule..
D. reticulata (Blum l.c.) leaves 3-nerved, besides the 2 marginal nervules, ovate-oblong, acuminated, rounded at the base, or somewhat cordate, reticulated beneath and covered with ochraceous dots; panicles terminal; calyx almost quite entire; anthers fixed by the back, furnished with somewhat rhomboid, inappendiculate connectives.
2003, W. J. Holland, Cassia B. Farkas (editor), Field Guide to Butterflies, Revised and Updated Edition, page 12, The branches of these compound veins are known as nervules. The median vein always has three nervules. The nervules of the subcostal veins branch up and outward, with from four to five subcostal nervules, toward the costal margin and the apex of the forewing.
A close examination of the wing will always show a partially atrophied disco-cellular, connecting these nervules of the discoidal with either the subcostal or the median nervures, even when one of them has been described as quite free.
The origin of the first and second median nervules corresponds to that of the two superior subcostal nervules; and the nervule closing the cell unites with the apical portion of the median nervule at a right angle.
Use nervule when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Nervule means (botany) A minor, nonsupporting vein in a leaf of a plant; a branch vein of a nervure (supporting vein) or of another nervule..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
D. reticulata (Blum l.c.) leaves 3-nerved, besides the 2 marginal nervules, ovate-oblong, acuminated, rounded at the base, or somewhat cordate, reticulated beneath and covered with ochraceous dots; panicles terminal; calyx almost quite entire; anthers fixed by the back, furnished with somewhat rhomboid, inappendiculate connectives.
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