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Question
An organ not formed from ectoderm is?
An organ not formed from ectoderm is?
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Solution
The correct option is A Middle ear
The ectoderm is the outermost germ layer and is responsible for the formation of the skin, the nervous system, the enamel of the tooth, hair, and nails.Ectoderm also forms the optic nerves and the epithelia of eyes.The external and internal ear is also formed by parts of ectoderm but it does not have any role in the formation of the middle ear.So, the correct option is 'Middle ear'
The ectoderm is the outermost germ layer and is responsible for the formation of the skin, the nervous system, the enamel of the tooth, hair, and nails.
Ectoderm also forms the optic nerves and the epithelia of eyes.
The external and internal ear is also formed by parts of ectoderm but it does not have any role in the formation of the middle ear.
So, the correct option is 'Middle ear'
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