The ectoderm gives rise to which tissues?

Prepare for the NLN PAX Science Exam with flashcards and multiple choice questions. Each question includes hints and detailed explanations to boost your confidence and exam readiness.

Multiple Choice

The ectoderm gives rise to which tissues?

Explanation:
Ectoderm forms the outer body coverings and the nervous system. The brain and spinal cord develop from neural ectoderm, which folds to create the neural tube—the precursor of the entire central nervous system. In contrast, the digestive tract and lungs come from endoderm (the inner germ layer), and muscles arise from mesoderm. So the tissues specifically arising from the ectoderm among the options are the brain and spinal cord.

Ectoderm forms the outer body coverings and the nervous system. The brain and spinal cord develop from neural ectoderm, which folds to create the neural tube—the precursor of the entire central nervous system. In contrast, the digestive tract and lungs come from endoderm (the inner germ layer), and muscles arise from mesoderm. So the tissues specifically arising from the ectoderm among the options are the brain and spinal cord.

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