- homunculus
- 1. An exceedingly minute body which, according to the views of development held by some medical scientists of the 16th and 17th centuries, was contained in a sex cell. From this preformed but infinitely small structure the human body was thought to be developed. SEE ALSO: preformation theory, animalcule. 2. The figure of a human sometimes superimposed on pictures of the surface of the brain to represent the motor or sensory regions of the body represented there. [L. dim. of homo, man]
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ho·mun·cu·lus hō-'məŋ-kyə-ləs n, pl -li -.lī, -.lē a miniature adult that in the theory of preformation was held to inhabit the germ cell and to produce a mature individual merely by an increase in size* * *
n.1. (manikin) a dwarf with no deformity or abnormality other than small size.2. (manikin) a small jointed anatomical model of a man.3. (in early biological theory) a miniature human being thought to be contained within each of the reproductive cells.* * *
ho·mun·cu·lus (ho-munkґu-ləs) [L. “little manâ€] a grotesque drawing or model of a human figure that maps the motor and sensory regions of the body to the motor and primary somatosensory areas of the cerebral cortex; the representation of each body part is proportionate in size to its distribution in the cortex.
Medical dictionary. 2011.