Multiple choice

Contra-deciduous placenta is a characteristic of

  1. moles

  2. cattle

  3. pigs

  4. horses

  5. -

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In such case, not only there is a loss of maternal tissue but also of the fetal portion of the placenta, both of which are absorbed in the situ by maternal leucocytes.