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areola

Syllabification: a·re·o·la
Pronunciation: /əˈrēələ
 
/

Definition of areola in English:

noun (plural areolae /-ˌlē/)

Anatomy
1A small circular area, in particular the ring of pigmented skin surrounding a nipple.
Example sentences
  • They are encircled by a pigmented ring called the areola, and surrounded by nerve endings and blood vessels.
  • Most of the breast tissue in a man is concentrated in the area immediately behind the nipple and areola.
  • As reported in The Journal of Family Practice, a patient complained of itching that had lasted for about six months in and near an areola, but a clinical examination turned up no skin changes or other reason for the itching.
1.1 Biology Any of the small spaces between the veins on a leaf or the nervures on an insect’s wing.
Example sentences
  • On the valve surface the areolae are grouped together in fascicles bordered by distinct radial lines.
  • The areolae on the valve are usually too small to be distinguishable with the light microscope.
  • The cell surface is ornamented with pores or areolae with poroid centers, sometimes in species-specific patterns.
1.2 Medicine A reddened patch around a spot or papule.

Origin

mid 17th century (in the sense 'small space or interstice'): from Latin, literally 'small open space', diminutive of area (see area).

Derivatives

areolar

1
adjective
Example sentences
  • For capsule contracture, ‘We have done a capsulotomy through the belly button, although it's more difficult than the areolar approach.’
  • The ventral paratenon consists of fatty mesenteric-like areolar tissue that is rich in blood vessels that nourish the tendon.
  • They may be located within the thorax embedded in thymic tissue, in the posterior mediastinum, and in the areolar tissue associated with the pericardium.

areolate

2
Pronunciation: /-lit, -ˌlāt/
adjective
Example sentences
  • The surface of the cell is coarsely areolate, with a pore in each areole.
  • This area in June of 1988 was not noted to contain any obvious areolate plants but did contain them in 1989.
  • Loss of indusium, dimorphism, areolate venation, and reduced blade dissection have occurred repeatedly along many evolutionary lines in Dryopteridaceae.

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