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The Collaborative International Dictionary of English v.0.48 (gcide)

Vesicular \Ve*sic"u*lar\, a. [Cf. F. v['e]siculaire.]
1. Of or pertaining to vesicles; esp., of or pertaining to
the air vesicles, or air cells, of the lungs; as,
vesicular breathing, or normal breathing, in which the air
enters freely the air vesicles of the lungs.
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2. Containing, or composed of, vesicles or vesiclelike
structures; covered with vesicles or bladders; vesiculate;
as, a vesicular coral; vesicular lava; a vesicular leaf.
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3. Having the form or structure of a vesicle; as, a vesicular
body.
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{Vesicular column} (Anat.), a series of nerve cells forming
one of the tracts distinguished in the spinal cord; --
also called the {ganglionic column}.

{Vesicular emphysema} (Med.), emphysema of the lungs, in
which the air vesicles are distended and their walls
ruptured.

{Vesicular murmur} (Med.), the sound, audible on auscultation
of the chest, made by the air entering and leaving the air
vesicles of the lungs in respiration.
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