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).
Chromosome, dicentric
A chromosome in the stage of the cell cycle (the sequence of events in the life of a cell) when a chromosome is most condensed and easiest to distinguish and so to study. Metaphase chromosomes are often chosen for karyotyping and for…
Read the definitionRandom terms
Show more- MRI, endorectal An MRI (magnetic resonance imaging) done from inside the rectum. To do such as MRI, a surface coil within an…
- Family history of colon cancer See: Colon cancer family history
- Qd (on prescription) Seen on a prescription, qd (or, written with periods, q.d.) means one a day (from the Latin quaque die). The…
- Etiology The study of the causes. For example, of a disorder. The word 'etiology' is mainly used in medicine, where it…
- Riley-Day syndrome Eponym for familial dysautonomia. See: Familial dysautonomia.
- Rock (drug) A street name given to cocaine that has been processed from cocaine hydrochloride to a ready-to-use free base…
- Becker muscular dystrophy A chronic, progressive muscle degeneration disease. A form of muscular dystrophy that is quite similar to…
- Fred L. Soper See: Soper, Fred L.
- Antidepressant >citalopram (Celexa, Cipramil) >escitalopram oxalate (Cipralex, Lexapro) >fluvoxamine maleate (Luvox)…
- Cell, helper A type of T cell that participates in the immune response by recognizing foreign antigens and secreting…
- Albumen The white of an egg, the part of the egg from which meringues are made. Albus in Latin is white. Not to be…
- Giant platelet syndrome Nard-Soulier syndrome): This condition is a primary problem of platelets in which the platelets lack the…