areola (redirected from placental areola)

areola /are·o·la/ (ah-re´o-lah) pl. are´olae   [L.]

1. any minute space or interstice in a tissue.

2. a circular area of different color surrounding a central point, as that surrounding the nipple of the breast.are´olar

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a·re·o·la (-r-l)

n. pl. a·re·o·las or a·re·o·lae (-l)

1. A small area.

2. Any of numerous spaces or interstices in areolar tissue.

3. Areola mammae.

4. A pigmented, depigmented, or erythematous zone surrounding a papule, pustule, wheal, or cutaneous neoplasm.

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a·reo·lar, a·reo·late (-lt) adj.

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areola

pl. areolae [L.]

1. a narrow zone surrounding a central area, e.g. the darkened area surrounding the nipple of the human mammary gland.

2. any minute space or interstice in a tissue.

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placental areola

in the epitheliochorial placenta of the sow areolae develop in the placentation zone. They are shallow cups in the chorion opposite the openings of the endometrial glands in the uterine wall.