jugum

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jugum

[′jü·gəm]
(botany)
One pair of opposite leaflets of a pinnate leaf.
(invertebrate zoology)
The most posterior and basal portion of the wing of an insect.
A crossbar connecting the two arms of the brachidium in some brachiopods.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.