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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Family history of colon cancer
See: Colon cancer family history
Read the definitionRandom terms
Show more- Retinal vein, central The blood vessel that carries blood away from the retina of the eye. The counterpart to the central retinal…
- Keratodermia blennorrhagicum Pertaining to keratolysis, the softening and shedding of the horny outer layer of the skin. A keratolytic…
- Sleep-disordered breathing A condition characterized by repeated episodes of hypopnea (underbreathing) and apnea (not breathing) during…
- Medicine, nuclear See: Nuclear medicine
- Crohn ileocolitis Crohn disease involving the ileum (the lowest portion of the small intestine) and the colon (the large…
- Heart-lung machine A machine that does the work both of the heart (pump blood) and the lungs (oxygenate the blood). Used, for…
- Hormone, secretin Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word 'hormone' was…
- IgG Immunoglobulin G, a major class of immunoglobulins found in the blood, including many of the most common…
- Disease, chronic wasting See Chronic wasting disease
- Objective In a microscope, the objective (also called the objective lens) is the lens nearest to the object being…
- Water fluoridation The addition of fluoride to water supplies that are low in fluoride in order to prevent dental caries. For…
- Anal papilla A skin tag that projects up from the junction between the skin and the inside lining of the anus. Anal…