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Which of the following structure origina...

Which of the following structure originates from ectoderm

A

Stomodaeum

B

Proctodaeum

C

Mesodaeum

D

Both (a) and (b)

Text Solution

Verified by Experts

The correct Answer is:
D
Stomatodeum is a depression between the brain and the pericardium in an embryo and is the precursor of mouth lined by ectoderm. A proctodeum is the back ectodermal part of an alimentary canal forms anal pit.
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