areola

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areola

Anatomy any small circular area, such as the pigmented ring around the human nipple or the inflamed area surrounding a pimple

areola

[ə′rē·ə·lə]
(anatomy)
The portion of the iris bordering the pupil of the eye.
A pigmented ring surrounding a nipple, vesicle, or pustule.
A small space, interval, or pore in a tissue.
References in periodicals archive ?
KEY TO THE NORTH AMERICAN HAIRWORM SPECIES A Cuticle smooth, lacking areoles or B with flat, smooth areoles; male tail bilobed (as in Figs.
Both taxa have goblet-shaped podetia covered with coarse areoles and produce fumarprotocetraric acid.
It is, moreover, an important part of this fantasy 'knowledge' that the woman's body be permanently available, permanently sexually open: 'Curieusement les seins sont bruns, leurs areoles [sic], presque noires.
Pronotum with large, distinct, bulbous hood, cleft posteriorly to receive anterior portion of a compressed elevation formed by two greatly enlarged hemispherical lateral carinae; areoles of hemelytra very large, rectangular, and vitreous Galeatus Curtis
The smallest areas outlined by veins, referred to as areoles, may be described in terms of shape, size, orientation and presence or absence of freely ending veinlets.
Thallus sorediate, consisting of rounded areoles which break down into a leprose crust Candelariella reflexa 1.
All the taxa have five orders of venation; nine species show quadrangular areoles and only Q.
brasiliensis, although from its description (Drake 1922) it differs from the Colombian specimen in that the hemelytra is widened near the apex (not widened in the Colombian specimen), and that the portion connecting the inflated part of the middle carina bears three areoles (no areoles in the Colombian specimen).
Apex of sterile leaf blades ending abruptly in a small slender point; veins of sterile leaf blades forming smaller secondary areoles ("circles") within larger primary areoles; fresh plants malodorous; plants of limestone outcroppings.
Cactus branches bear many areoles (spine-bearing pads) that can produce one or more flowers per night.