the goats milk sac is called an udder.
the goats milk sac is called an udder.
Scrotum
The "sac" between a man's legs is called the scrotum. It is what protects and contains the testes. The scrotum also regulates the temperature of the testes. When they are hot, the skin becomes very soft, and there may even be sweating. When the testes are cold, the skin of the scrotum becomes stiff, shrunken, and leathery.
Entire male goats have two testicles in a small sac called a scrotum between their hind legs. Sperm is produced within these testicles.
Hair forms in a pouch-like structure below the skin called a hair follicle.
The sub preputial sac are located in the folds of the skin in front of the genitals of some mammals that produce pheromones. These are exocrine glands, the female animals are called the clitoral glands.
Udder.
A female manatee's mammary glands (milk glands) and teats are located behind the forelimbs or flippers, one per side. Like cattle and goats, a manatee's milk glands have no storage sacs, so manatee calves suckle frequently at short intervals. Consequently, in absence of a storage sac, expectation of any substantial milk yield would not be possible.
This sac is called ascus .
It is called an ascus.
Scrotum
The protective sac around the embryo or fetus is the amniotic sac.