Chemical Coordination and Integration

Question

Glands in a vertebrate body originate from

  • ectoderm, mesoderm and endoderm

  • ectoderm and endoderm

  • mesoderm

  • ectoderm

Answer

D.

ectoderm

Glands in a vertebrate body originate from ectoderm. Glands are the modification of epidermis of skin. The ectoderm also gives rise to the neural crest (ganglion, sensory cell, etc) and neural tube (brain, spinal cord etc).

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