• (gland, prostate) The male reproductive accessory gland that produces prostatic fluid and is located adjacent to or around the urethra distal to the urinary bladder in mammals.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• A gland in males that surrounds the neck of the URINARY BLADDER and the URETHRA. It secretes a substance that liquefies coagulated semen. It is situated in the pelvic cavity behind the lower part of the PUBIC SYMPHYSIS, above the deep layer of the triangular ligament, and rests upon the RECTUM.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• A gland in the male reproductive system. The prostate surrounds the part of the urethra (the tube that empties the bladder) just below the bladder, and produces a fluid that forms part of the semen.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• Gland in males that surrounds the neck of the bladder and the urethra; it contributes to the seminal fluid, a secretion containing acid phosphatase, citric acid, and proteolytic enzymes that liquefies coagulated semen.
  CRISP Thesaurus
  National Institutes of Health, 2006
• Lobular organ the parenchyma of which consists of glandular acini which communicate with the prostatic part of the urethra. Examples: There is only one prostate.
  Digital Anatomist
  University of Washington, 2003
• Lobular organ the parenchyma of which has as its parts glandular acini which are continuous with the prostatic part of the urethra. Examples: There is only one prostate.
  Foundational Model of Anatomy
  University of Washington, 2017
• (prostate gland) A walnut-shaped gland at the base of the male bladder. It produces a fluid that forms part of semen.
  Harvard Dictionary of Health Terms
  Harvard Medical Publishing, 2011
• (prostate gland) The walnut shaped accessory sex gland of the male reproductive system. It is located in the pelvis just below the bladder, surrounding the prostatic part of the urethra. The prostate gland secretes a fluid which is part of the semen.
  NCI
  U.S. National Cancer Institute, 2021
• Embryologically, the prostate, seminal vesicles, and ductus (vas) deferens originate from 2 separate structures. The prostate arises from a budding collection of tissue in the urogenital sinus.
  Medscape
  WebMD, 2025
• Prostate gland, chestnut-shaped reproductive organ, located directly beneath the urinary bladder in the male, which adds secretions to the sperm during the ejaculation of semen. The gland surrounds the urethra, the duct that serves for the passage of both urine and semen. Rounded at the top, the...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2025