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  2. Urethral sphincters - Wikipedia

    en.wikipedia.org/wiki/Urethral_sphincters

    The urethral sphincters are two muscles used to control the exit of urine in the urinary bladder through the urethra. The two muscles are either the male or female external urethral sphincter and the internal urethral sphincter. When either of these muscles contracts, the urethra is sealed shut.

  3. External sphincter muscle of male urethra - Wikipedia

    en.wikipedia.org/wiki/External_sphincter_muscle...

    The muscle helps maintain continence of urine along with the internal urethral sphincter which is under control of the autonomic nervous system.The external sphincter muscle prevents urine leakage as the muscle is tonically contracted via somatic fibers that originate in Onuf's nucleus and pass through sacral spinal nerves S2-S4 then the pudendal nerve to synapse on the muscle.

  4. Rhabdosphincter - Wikipedia

    en.wikipedia.org/wiki/Rhabdosphincter

    A rhabdosphincter (from Greek rhabdos meaning "rod") is a sphincter consisting of striated muscle fibres. [1] The muscle is a part of the external urethral sphincter that continues superiorly as a trough-like extension running vertically across the anterior aspect of the prostate to reach the neck of the bladder. [2] [3]

  5. External sphincter muscle of urethra - Wikipedia

    en.wikipedia.org/wiki/External_sphincter_muscle...

    External sphincter muscle of urethra can refer to: external sphincter muscle of male urethra; external sphincter muscle of female urethra This page was last edited on ...

  6. Pudendal nerve - Wikipedia

    en.wikipedia.org/wiki/Pudendal_nerve

    The pudendal nerve is the main nerve of the perineum. [1]: 274 It is a mixed (motor and sensory) nerve and also conveys sympathetic autonomic fibers.It carries sensation from the external genitalia of both sexes and the skin around the anus and perineum, as well as the motor supply to various pelvic muscles, including the male or female external urethral sphincter and the external anal sphincter.

  7. Urethra - Wikipedia

    en.wikipedia.org/wiki/Urethra

    The external urethral sphincter is a striated muscle that allows voluntary control over urination. [5] The internal sphincter , formed by the involuntary smooth muscles lining the bladder neck and urethra, receives its nerve supply by the sympathetic division of the autonomic nervous system . [ 6 ]

  8. The Overdue, Under-Told Story Of The Clitoris

    projects.huffingtonpost.com/projects/cliteracy/intro

    From ancient history to the modern day, the clitoris has been discredited, dismissed and deleted -- and women's pleasure has often been left out of the conversation entirely. Now, an underground art movement led by artist Sophia Wallace is emerging across the globe to challenge the lies, question the myths and rewrite the rules around sex and the female body.

  9. Sphincter - Wikipedia

    en.wikipedia.org/wiki/Sphincter

    The sphincter urethrae, or urethral sphincter, controlling the exit of urine from the body. At the anus, there are two anal sphincters which control the exit of feces from the body, the internal anal sphincter and external anal sphincter. The inner sphincter is involuntary and the outer is voluntary.