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).
Methanococcus jannaschii
A microbe that produces methane, an important energy source, and contains enzymes that withstand high temperatures and pressures. The genome of Methanococcus jannaschii has been completely sequenced
Read the definitionRandom terms
Show more- Fear of sharks Excessive and persistent fear of sharks is termed galeophobia. Sufferers from this phobia experience anxiety…
- Triceps The triceps muscle extends (straightens) the elbow. Its full name is the triceps brachii. It can be felt as…
- Disease, hydroxyapatite crystal The inflammation caused by hydroxyapatite crystals has been referred to as hydroxyapatite crystal disease…
- Phototherapy Treatment with light. For example, a newborn with jaundice may be 'put under the lights.'
- Dupuytren, Guillaume (1777-1835) The leading French surgeon of the early part of the 19th century. Dupuytren reported the…
- Seizure, Jacksonian See: Jacksonian seizure
- Cyst, thyroglossal See: Thyroglossal cyst
- Crossover study A type of clinical trial in which the study subjects receive each treatment in a random order. With this type…
- Electrocoagulation The coagulation (clotting) of tissue using a high-frequency electrical current applied locally with a metal…
- CRP An intestinal infection characterized by diarrhea caused by a microscopic parasite, Cryptosporidium parvum…
- Morton's disease See: Morton's neuroma
- Drosophila The fruit fly. One species, Drosophila melanogaster, is a favorite model organism in genetics and…