urogenital sinus

noun

A body part present in the embryos of mammals during development of the urinary and reproductive systems that gives rise to the bladder, urethra, lower vagina, prostate gland, vulval vestibule, vestibular glands, and bulbourethral glands.

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Meanings

nounurogenital sinus (plural urogenital sinuses)

plural urogenital sinuses

  1. embryologyA body part present in the embryos of mammals during development of the urinary and reproductive systems that gives rise to the bladder, urethra, lower vagina, prostate gland, vulval vestibule, vestibular glands, and bulbourethral glands.
  2. anatomyAn internal structure where the vagina and urethra open into in many female mammals.
Cite this entry
APA

urogenital sinus. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/urogenital%20sinus

MLA

“urogenital sinus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/urogenital%20sinus. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “urogenital sinus,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/urogenital%20sinus.

Source: urogenital sinus on Wiktionary, CC BY-SA 4.0.