The urethral sponge is a spongy cushion of tissue, found in the lower genital area of females, that sits against both the pubic bone and vaginal wall, and surrounds the urethra. == Functions == The urethral sponge is composed of erectile tissue; during arousal, it becomes swollen with blood, compressing the urethra, helping, along with the pubococcygeus muscle, to prevent urination during sexual activity.
The urethral sponge is a spongy cushion of tissue, found in the lower genital area of females, that sits against both the pubic bone and vaginal wall, and surrounds the urethra. == Functions == The urethral sponge is composed of erectile tissue; during arousal, it becomes swollen with blood, compressing the urethra, helping, along with the pubococcygeus muscle, to prevent urination during sexual activity.
Source: Wikipedia "Urethral sponge" · CC BY-SA 4.0
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