Humans are the most complex of all multicellular organisms. All such organisms have billions of cells,... Cows, buffaloes, elephants, monkeys, dogs and cats are all examples of multicellular organisms. Humans are the most complex of all multicellular organisms. All such organisms have billions of cells,...
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.
The middle layer of tissue, the myometrium, is very firm and muscular and makes up most of the uterus. The endometrium, a mucous membrane, is the innermost layer of tissue. It lines the uterine cavity and contains numerous glands, blood vessels and lymphatic spaces.The outside layer is the peritoneum.This membrane secretes a blood-like fluid that partially covers the uterus.yometrium. This middle layer is a thick wall made of smooth muscle cells. Endometrium. This layer of cells forms the inner lining, which includes glands with structures called receptors that receive chemical signals. Another name for this lining layer is the mucosa.