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).
Deja vu
(In French, dejà vu means 'already seen.' and the word dejà has an acute accent on the e and a grave accent on the à but we have omitted the accents from the entry term for the sake of the English-speaking search engine.) Dejà vu is a…
Read the definitionRandom terms
Show more- In vitro fertilization In the living organism, as opposed to in vitro (in the laboratory).
- Histiocytic necrotizing lymphadenitis A disorder, also called Kikuchi disease, that typically causes 'swollen glands' in the neck (cervical…
- Necrosis The death of living cells or tissues. Necrosis can be due, for example, to ischemia (lack of blood flow)…
- Generic name, drug >The chemical name of a drug. >A term referring to the chemical makeup of a drug rather than to the…
- Burn, second degree A burn that looks like a first degree burn in that it is red and sensation is intact but the damage from the…
- Thrombi Just the plural of thrombus. See: Thrombus
- Pectoral muscles Muscles of the 'anterior chest' (the front of the chest). Familiarly called the pecs. The Latin 'pectus'…
- HIB immunization This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- Pregnancy, mask of Pigmentation of the cheeks of the face (malar area) that occurs in about half of women during pregnancy. The…
- Acid rain Rain resulting from the combination of fossil fuel emissions and water in the atmosphere. The environmental…
- Lymph gland See Lymph node
- Phe Phenylalanine. See also: Amino acid symbols