semen

n. the fluid released during ejaculation. It contains sperm and secretions of the prostate gland, bulbourethral glands, and seminal vesicles. Also called seminal fluid.

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Psychology term of the day

May 9th 2024

slow-wave sleep

slow-wave sleep

deep sleep that is characterized by increasing percentages of particular types of delta waves on the electroencephalogram, corresponding to Stages 3 and 4 of NREM sleep. See also sleep stages.