The germ layer located on the dorsum of the embryo is the

a. hypoblast.

b. mesoderm.

c. endoderm.

d. ectoderm.

e. epiblast.

d. ectoderm

Explanation: A particular locale of this layer, the neuroectoderm, turns into a section that folds in and turns into the neural cylinder underneath the dorsal surface of the fetus. The front finish of the neural cylinder forms into the cerebrum, and the back area turns into the spinal line  

endoderm: essential germ layer that proceeds to frame the gastrointestinal tract, liver, pancreas, and lungs  

while, ectoderm: essential germ layer that forms into the focal and fringe sensory systems, tactile organs, epidermis, hair, and nails

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

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