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urethra
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Diagram of the human excretory system showing the kidneys, ureters, bladder, and urethra, with their anatomical positions highlighted inside a human silhouette. Cross-sectional anatomical illustration of the male pelvis showing the urinary bladder, urethra, and surrounding structures. The image labels key parts including the bladder, neck of bladder, prostate, prostatic urethra, bulbospongiosus muscle, and associated muscles, glands, and fascia. The Human Body Medical illustration of the male reproductive system in cross-section, showing labeled anatomical structures such as the penis, testis, scrotum, prostate, urethra, seminal vesicle, and associated ducts and glands. Medical illustration of a sagittal section of the human male reproductive system, showing the prostate gland, seminal vesicles, urinary bladder, urethra, rectum, and associated ducts and glands, each labeled for anatomical reference. Diagram of the female renal system showing kidneys, adrenal glands, and urinary tract organs in their anatomical positions, with labels for major structures including blood vessels, bladder, and uterus.
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Male muscle, man flexing arm, bicep curl.
Facts You Should Know: The Human Body Quiz
Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)
The Human Body
Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body

urethra: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Modified link of Web site: National Center for Biotechnology Information - Histology, Male Urethra. Oct 14, 2026
Add new Web site: National Center for Biotechnology Information - Histology, Male Urethra. Jan 30, 2026
Add new Web site: National Center for Biotechnology Information - Histology, Male Urethra. Sep 10, 2025
Add new Web site: Nature - Scientific Reports - Engineered human organ-specific urethra as a functional substitute. May 09, 2025
Add new Web site: MSD Manual Consumer Version - Urethra Defects. Mar 02, 2025
Add new Web site: American Urological Association - The Journal of Urology - Bladder and Urethra: Anatomy, Physiology and Pharmacology (PDF). Jan 16, 2025
Add new Web site: Thompson Rivers University - Human Biology - Ureters, Urinary bladder, and Urethra. Jul 19, 2024
Media added. Nov 29, 2023
Add new Web site: Healthline - Female Urethra Overview. Oct 13, 2023
Add new Web site: National Center for Biotechnology Information - Histology, Male Urethra. Aug 28, 2023
Add new Web site: National Center for Biotechnology Information - Histology, Male Urethra. Aug 28, 2023
Add new Web site: Medicine LibreTexts - Urethra. Aug 28, 2023
Add new Web site: Teach Me Anatomy - The Urethra. May 13, 2023
Add new Web site: Cleveland Clinic - Urethra. Dec 23, 2022
Add new Web site: Verywell Health - The Anatomy of the Urethra. Sep 22, 2022
Added an illustration of the male urinary bladder and urethra. May 26, 2020
Corrected display issue. Mar 07, 2019
Add new Web site: Medscape - Male Urethra Anatomy. Nov 01, 2015
Added information on the anatomy of the male urethra and on disorders that affect the urethra. Apr 10, 2015
Add new Web site: The Merck Manuals - Urethra. May 12, 2011
Add new Web site: Fact Monster - Science - Urethra. May 12, 2011
New illustration added. Jan 14, 2009
Article added to new online database. Jul 20, 1998
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