Question

Eye lens is formed from (a) ectoderm (b) mesoderm (c) endoderm (d) ectoderm and mesoderm.

Eye lens is formed from

(a) ectoderm

(b) mesoderm

(c) endoderm

(d) ectoderm and mesoderm.

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Answer #1

Answer:(a) Ectoderm

  • There are three germ layers that are found and they give rise to various organs and structures.The Ectoderm is responsible for the formation of the eye lens.
  • They also give rise to the conjunctiva, cornea, lens of eye, muscles of iris, vitreous humour, retina, lacrimal gland along with other parts of the body.
  • Lens development is closely related to optic vesicle development. The interaction between the growing vesicle and the ectoderm causes the ectoderm to thicken at that point.
  • This thickened portion of the ectoderm is called the lens placode.
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