It sounds like you're referring to the male reproductive anatomy, specifically the structures involved in the male reproductive system and their location in relation to the urethra. Here’s a clearer breakdown:
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Male Reproductive Structures: In males, reproductive structures include the testes, epididymis, vas deferens, seminal vesicles, prostate gland, and penis.
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Urethra: The male urethra is divided into several parts:
- Prostatic urethra: Passes through the prostate gland.
- Membranous urethra: The shortest segment, located between the prostate and the penis, where it passes through the external urethral sphincter.
- Spongy (penile) urethra: Runs through the penis and opens at the external urethral orifice.
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External Urethral Sphincter: This is a muscle that surrounds the membranous urethra, allowing for the voluntary control of urination.
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Bulbourethral Glands (Cowper’s glands): These are small glands located near the base of the penis, and they secrete a pre-ejaculatory fluid that helps to lubricate the urethra.
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Deep Transverse Perineal Muscles: These muscles are located in the perineum and contribute to the support of the pelvic organs as well as assist in the control of the urethra.
All of these structures work together in the male reproductive and urinary systems. If you have a specific question or need more details about any of these components, feel free to ask!