The outer layer of the uterus is called the perimetrium; it is the visceral. peritoneum of the uterus. The endometrium has two distinct layers (Fig. 28.9c): (1) The functional layer changes in. response to the monthly pattern of hormones.
uk â /ËpÉªn.É.kÉl/ us â /ËpÉªn.É.kÉl/. âº [ C usually singular ] the most successful or admired part of a system or achievement: By the age of 32 she had reached the pinnacle of her career.
steep, abrupt, precipitous, sheer mean having an incline approaching the perpendicular. steep implies such sharpness of pitch that ascent or descent is very difficult. a steep hill; a steep dive; abrupt implies a sharper pitch and a sudden break in the level. a beach with an abrupt drop-off