Lower 1/3’d of anal canal is derived from?
Correct Answer: Proctodaeum
Description: Ans. is'a'i.e., Proctodaeum(Ref: BDC Sh/eVol. Il p. 415)'The lower third of the anal canal is an ectodermal derivative and is derived from the proctodaeum.'Pa of anal canal above pectinate line develops from dorsal pa of md.odermal cloaca (primitive rectum) and pa of anal canal below pectinate line develops from ectodermal proctodeum.
Category:
Anatomy
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