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 ?
For each collection we dissected corollas, fruits, and/or areoles to determine the presence of U.
The thin, circular areole in the micropylar end of the sclerotesta
Boke (1941, 1951, 1952, 1953, 1955, 1956, 1957a, 1957b, 1959, 1961) studied the apical meristem and the development of areoles and tubercles in various species of tribe Cacteae (e.
1993), and Yemen (Schultz 1998; Sipman 2002), this species has a thick white thallus, which can cover large areas (extending 10-20 cm or more), and convex areoles, with big apothecia slightly sunken in the thallus.
Sterile leaves with veins forming small areoles within larger areoles 3.
Thallus thin, yellow, lobulate or of small cracked areoles, or not evident; spores 14 x 7 [micro]m, isthmus 2.
Face rugosoareolate, areoles becoming smaller towards vertex and paraocular areas, and weaker on supraclypeal area; gena and postgena strongly striate.
Ants forage the nectar secreted over the flowering buttons, from the time they are covered by the areoles plush hair till they open as pink flowers.
Interestingly, the base of some setae and the areoles of trichobothria typically fluoresce more brightly than the surrounding surfaces and this property can assist in the location of trichobothria.
FEW of them produce leaves and instead have areoles, bud-like organs which produce spines.