ejaculation

n. the automatic expulsion of semen and seminal fluid through the penis resulting from involuntary and voluntary contractions of various muscle groups, normally associated with orgasm. See also premature ejaculation; retrograde ejaculation. —ejaculatory adj.

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Psychology term of the day

December 19th 2024

Bekhterev’s nystagmus

a form of nystagmus that develops after the loss of a second labyrinth. Nystagmus occurs after the destruction of the first of the two labyrinths but eventually subsides, only to recur as a compensatory effect after loss of the second labyrinth. Also called compensatory nystagmus. [Vladimir M. Bekhterev]