Reproduction & Development I: Type of Placenta Loss by Species

Question 1

Deciduate

Answer 1

in animals with hemichorial and endotheliochorial placental layers (humans, rodents, primates, dogs, cats)

maternal epithelium and submucosa are lost

much of endometrial tissue undergoes damage

Question 2

Indeciduate

Answer 2

in horses, sheep, goats, alpacas, pigs

much of endometrial tissue is maintained

fetal membranes are expelled after birth