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What is Stapes develop from - and explain in detail?
Ans. is 'b' i.e., 2nd archo External auditary canal - First branchial cleft.o Auricle (pinna) - First & second branchial (pharyngeal) arch.o Middle ear cleft (Eustachian tube, tympanic cavity, attic, antrum, mastoid air cells) - 1st & 2nd arch,o Malleus, incus - 1st arch,o Stapes (except footplate) - 2nd arch,o Footplate of stapes and annular ligament - Otic capsule.