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).
Qualm
1. Sickness, disease, pestilence, or death. As in 'A thousand slain and not of qualm ystorve [not dead of sickness]' (Chaucer in The Canterbury Tales) 2. A sudden sick feeling. As in 'A qualm came over me, a horrid nausea and the most…
Read the definitionRandom terms
Show more- Pimple A small papule or pustule. Pimples are sebaceous glands (oil glands) that are infected with bacteria, become…
- Arrhythmias, slow Abnormally slow heart rhythms, medically termed bradycardia
- Perichondrial To do with the perichondrium, a dense membrane composed of fibrous connective tissue that closely wraps all…
- Antonomastic Concerning, pertaining to, or characteristic of antonomasia. See also: Antonomasia
- Autoimmune process A process in which the body's immune system attacks and destroys body tissue that it mistakes for foreign…
- Aperient Laxative. Used both as a noun (an aperient is a laxative) and adjective (prunes are an aperient fruit). From…
- BNP B-type natriuretic peptide
- Methemoglobin A particular type of hemoglobin that is altered so that it is useless for carrying oxygen and delivering it…
- Gland 1. A group of cells that secrete a substance for use in the body. For example, the thyroid gland. 2. A group…
- Activated charcoal Charcoal that has been heated to increase its absorptive capacity. Activated charcoal is sold as an…
- Matter, white The part of the brain that contains myelinated nerve fibers. The white matter is white because it is the…
- Fibroma, cemento-ossifying Fibroma, cemento-ossifying: A hard fibrous lesion that continues to grow, sometimes to very large size…