A kangaroo pouch is in fact also called a sac. Kangaroos will typically carry their young inside of these pouches.
sac
Like all marsupials Kangaroo's carry their young in the pouch until they finish their full development.
Area between uterus and rectum is called as recto-uterine pouch or pouch of Douglas. The fold of peritoneum is there in this pouch.
A sac is an anatomical enclosure, a bag or pouch inside an animal which typically contains a fluid.Alternatively, the word "sac" - also spelled "sack" - is a contraction of the word sacrifice.
One possibility is the word sac.
Hair forms in a pouch-like structure below the skin called a hair follicle.
The pouch, or marsupium, is the sac where the young joeys of most marsupials continue to grow and develop.
diverticulitis
sac
Marsupial sac.
The Amniotic Sac.
diverticulum