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.
- placental a. — 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.
