01 n. An interstice or small space, as between the cracks of the surface in certain crustaceous lichens; or as between the fibers composing organ…
pl.
Areolæ
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1.
An interstice or small space, as between the cracks of the surface in certain crustaceous lichens; or as between the fibers composing organs or vessels that interlace; or as between the nervures of an insect's wing.
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2.
The colored ring around the nipple, or around a vesicle or pustule.(Anat. & Med.)