MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Parasitic worm
A worm classified as a parasite. (A parasite is a disease-causing organism that lives on or in a human or another animal and derives its nourishment from its host.) Lice are examples of parasites that live on humans; bacteria and viruses…
Read the definitionRandom terms
Show more- Cyto (combining form) Rm denoting a cell. Derived from the Greek 'kytos' meaning 'hollow, as a cell or container.' From the same…
- Carbo-loading An eating routine used by some athletes that involves downing large amounts of carbohydrates several days…
- Cross-sectional study A study done at one time, not over the course of time. A cross-sectional study might be of a disease such as…
- FAE (fetal alcohol effects) A softer diagnosis than fetal alcohol syndrome (FAS). The diagnosis of possible FAE is considered when: 1…
- Left ventricular assist device See: Ventricular assist device
- Clostridium botulinum A group of rod-shaped bacteria commonly found in the soil that grow best under low oxygen conditions. The…
- Gerstmann-Straussler-Scheinker syndrome See: Gerstmann-Straussler-Scheinker syndrome
- Syndrome, Reye A sudden, sometimes fatal, disease of the brain (encephalopathy) with degeneration of the liver, occurs in…
- Yttrium A rare elemental metal. A radioactive form of yttrium is used in radiation therapy and some types of…
- Disease, Ramsay Hunt See: Ramsay Hunt syndrome
- Obverse The opposite, the opposite side, the counterpart. For example, mania is thought of as the obverse of…
- Tumescent Swelling; slightly tumid (swollen). For example, tumescent liposuction involves pumping a solution beneath…