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toe drop

a loss of muscular control of the toes. It is a sign of the onset of Charcot–Marie–Tooth disease, in which the peripheral nerves of the extremities gradually degenerate and cease transmitting impulses. Toe drop progresses to foot drop.

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Psychology term of the day

October 9th 2024

Renpenning syndrome

Renpenning syndrome

a condition that is inherited as an X-linked trait (see sex-linked) and almost exclusively affects males. It is characterized by eye defects, microcephaly, psychomotor retardation, short stature, small testes, and intellectual disability. [Hans Renpenning (1929–2006), Canadian physician]