MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Hypogonadism
A condition in which decreased production of gonadal hormones leads to below-normal function of the gonads and to retardation of sexual growth and development. (The gonads are the ovaries and testes and the hormones they normally produce…
Read the definitionRandom terms
Show more- Abdominal aortic aneurysm Our Abdominal aortic aneurysm Main Article provides a comprehensive look at the who, what, when and how of…
- Aquaporin A water channel. Aquaporins form pores in the membranes of cells and selectively conduct water molecules…
- Immunization, rubella See Immunization, MMR.
- Osmolar In biochemistry, referring to the osmolarity, the concentration of osmotically active particles in solution…
- Poisoning, cyanide See: Cyanide
- Startle disease A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Peutz-Jeghers syndrome A cancer genetic disorder characterized by freckle-like spots on the lips, mouth and fingers and polyps in…
- Pain, back Pain felt in the low or upper back. There are many causes of back pain. Pain in the low back can relate to…
- Hybridization, in situ The use of a DNA or RNA probe to detect the complementary sequence. In situ hybridization is like all nucleic…
- Adenosine thallium scan A method of examining the heart to obtain information about the blood supply to the heart muscle. Special…
- Degenerative arthritis Also known as osteoarthritis, this type of arthritis is caused by inflammation, breakdown and eventual loss…
- BRCA1 A gene that normally acts to restrain the growth of cells in the breast but which, when mutated, predisposes…