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nervure

Definitions

  • WordNet 3.6
    • n nervure one of the horny ribs that stiffen and support the wing of an insect
    • n nervure any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ
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Webster's Revised Unabridged Dictionary
    • Nervure (Zoöl) One of the chitinous supports, or veins, in the wings of insects.
    • Nervure (Bot) One of the nerves of leaves.
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Century Dictionary and Cyclopedia
    • n nervure In arch.:
    • n nervure Any one of the ribs of a groined vault, but especially that part of a rib which forms one of the sides of a compartment of the groining
    • n nervure A projecting molding, particularly if small and acute-angled in profile. Also called nerve.
    • n nervure In botany, a vein or nerve of a leaf.
    • n nervure In entomology, one of the tubes or tubular thickenings which ramify in an insect's wing: a nerve, vein, or costa proceeding along one of certain definite lines, to strengthen the wing and, through a central hollow, to nourish it. The wing is developed as a saclike projection of the body-wall, and is hence composed of two closely applied membranes. The nervures are exactly apposed thickenings of the dorsal and ventral membranes. In most insects a groove extends along the inner surface of the thickening of each wall, forming a tube in the center of each nervure within which the fluids of the body circulate. The larger ones also contain tracheæ. The number of these nervures is greatest and their arrangement is most complicated in some of the Orthoptera and Neuroptera, while they are almost entirely wanting in some of the small Hymenoptera. The nervures furnish important zoölogical characters. See cut in preceding column.
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Chambers's Twentieth Century Dictionary
    • Nervure one of the nerves or veins of leaves: one of the horny tubes or divisions which expand the wings of insects: one of the ribs in a groined vault: a projecting moulding
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Etymology

Webster's Revised Unabridged Dictionary
F. See Nerve
Chambers's Twentieth Century Dictionary
Fr.,—L. nervus; Gr. neuron, a sinew.

Usage

In literature:

The wings are heavy, moist, transparent, with nervures of a tender green.
"Social Life in the Insect World" by J. H. Fabre
The wings with one marginal and three submarginal cells, and one recurrent nervure.
"Journal of the Proceedings of the Linnean Society - Vol. 3" by Various
One by one the branching nervures hardened.
""Wee Tim'rous Beasties"" by Douglas English
Discocellular nervure or vein: Lepidoptera; = discal vein, q.v.
"Explanation of Terms Used in Entomology" by John. B. Smith
The instrument by which it produces its music is contrived out of the ordinary nervures of the wing-case.
"The Western World" by W.H.G. Kingston
They are covered longitudinally by prominent nervures.
"My Friends the Savages" by Giovanni Battista Cerruti
The 'nervures' are generally of a yellowish tinge.
"Butterflies and Moths" by William S. Furneaux
The other wing consists of a rigid nervure in front and behind of thin parchment which supports fine rods of steel.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5" by Various
Along the costa runs a costal nervure.
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4" by Various
Among many of the smaller Hymenoptera we find that the wings are almost destitute of nervures.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 2" by Various
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