• A mammalian male reproductive accessory gland located adjacent to the urinary bladder and proximal to the prostate.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• A gland that helps produce semen.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• One of the two paired glands in the male genitourinary system, posterior to the bladder and superior to the prostate gland, that produces fructose-rich seminal fluid which is a component of semen. These glands join the ipsilateral ductus deferens to form the ejaculatory duct.
  NCI
  U.S. National Cancer Institute, 2021
• Saclike, glandular diverticulum on each ductus deferens in male vertebrates; it is united with the excretory duct and serves for temporary storage of semen.
  CRISP Thesaurus
  National Institutes of Health, 2006
• A saclike, glandular diverticulum on each ductus deferens in male vertebrates. It is united with the excretory duct and serves for temporary storage of semen. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• Structures surrounding the prostate gland involved in storing secretions made by the gland.
  Harvard Dictionary of Health Terms
  Harvard Medical Publishing, 2011
• The seminal vesicles are paired organs of the male genitourinary system. Specifically, they are genital organs.
  Medscape
  WebMD, 2025
• Seminal vesicle, either of two elongated saclike glands that secrete their fluid contents into the ejaculatory ducts of some male mammals. The two seminal vesicles contribute approximately 60 percent of the fluids passed from the human male during ejaculation. In some mammals the capacity...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2025