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22/09/2020 8:35 pm
Topic starter
The extra-embryonic membranes of mammalian embryo are derived from
(a) trophoblast
(b) follicle cells
(c) inner cell mass
(d) formative cells
1 Answer
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22/09/2020 8:36 pm
(a) trophoblast
Explanation:
Trophoblast in mammalian embryo produces extra embryonic membranes which provide protection and nourishment to foetus.
These are of 4 types – chorion, amnion, allantois & yolk sac embryonic membranes.