The ganglia of the sympathetic and the centra | vedclass

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(D) In vertebrates,including frogs,the nervous system originates from the ectoderm. Specifically,the neural tube forms the central nervous system (bra

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Neural crest cells

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(D) In vertebrates,including frogs,the nervous system originates from the ectoderm. Specifically,the neural tube forms the central nervous system (brain and spinal cord). The neural crest cells are a specialized group of ectodermal cells that migrate away from the neural tube during development. These cells give rise to various structures,including the ganglia of the sympathetic nervous system,the adrenal medulla,and sensory ganglia of the peripheral nervous system. Therefore,the correct origin for these ganglia is the neural crest cells.

The ganglia of the sympathetic and the central nervous system in a frog develop from the:

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