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desirenoun A poetic (i.e., non-medical) term for a state of sexual arousal; it is little used in working medical parlance.
sexual response cyclePhysiology A term that encompasses the phases of a sexual act from prearousal to denouement; the SRC is divided into 4 phases. Cf Sexual dysfunction.
Sexual Response Cycle
Desire Consists of fantasies about sexual activity, desire to engage therein
Excitement Subjective component of sexual excitement is accompanied by physiologic changes, in ♂, penile tumescence and erection, in ♀ pelvic vasocongestion, vaginal lubrication, and swelling of external genitalia
Orgasm Peaking of sexual pleasure with release of sexual tension, rhythmic contraction of perineal muscles in ♂, ejaculation, in ♀, contractions of outer1⁄3 of vagina; in both, anal sphincter contracts rhythmically
Resolution Denouement Muscle relaxation, and a sense of well-being; during resolution, ♂ are unerectable for a variable period of time; ♀ remain on 'red alert'