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).
Acentric chromosome
A fragment of a chromosome (one of the microscopically visible carriers of the genetic material DNA) that is lacking a centromere (the 'waist' of the chromosome essential for the division and the retention of the chromosome in the cell)…
Read the definitionRandom terms
Show more- Lysergic acid diethylamide Better known as LSD. (LSD is the abbreviation for the German name for the drug: Lysergsaure-Diathylamid.)…
- Titre Variant spelling of 'titer' -- the degree of dilution of a substance such as an antibody, reflecting the…
- Aneurysm, berry A berry aneurysm is a small outpouching (aneurysm) that looks like a berry and classically occurs at the…
- Discordant couple A pair of long-term sexual partners in which one has a sexually transmitted infection and the other does not…
- Cold, summer A popular term for hay fever. Although the symptoms of a 'summer cold' may be similar to those of a real…
- Doc Short and informal for doctor. In a medical context, doc may refer to any medical professional with an MD, a…
- Alpha-synuclein One in a family of structurally related proteins that are prominently expressed in the central nervous…
- Dysarthria Speech that is characteristically slurred, slow, and difficult to produce (difficult to understand). The…
- Vitamin E Alpha-tocopherol, an antioxidant vitamin which binds oxygen free radicals that can cause tissue damage…
- Cyclooxygenase inhibitor See: Cox-1 inhibitor; Cox-2 inhibitor
- EDMD Muscular dystrophy, Emery-Dreifuss
- Contact eczema, allergic Also called allergic contact dermatitis, this is a red, itchy, weepy reaction where the skin has come into…