The body part the medical artist should draw smallest is the arm.
What is a homunculus?
A homunculus can be defined as a graphical representation a very small (miniature) human being or humanoid creature, especially from which a fetus developed from.
In Medical field, the arm of a homunculus are generally drawn smallest in relation to the size devoted to it in the somatosensory cortex.
What is the somatosensory cortex?
The somatosensory cortex refers to a region of the brain which is saddled with the responsibility of receiving and processing sensory information that are obtained from various body parts such as:
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