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).
Knee-jerk
Adjective meaning readily predictable to the point of being automatic. Knee-jerk often has a negative connotation and conveys the idea of an all-too-hasty, impulsive, irrational response based on a preset idea. For example, a dictator's…
Read the definitionRandom terms
Show more- Eye pressure test A standard eye test that determines the fluid pressure inside the eye. The test is called tonometry…
- Levonorgestrel A progestin. Named levonorgestrel because it is the levorotatory form of norgestrel. Used in combination with…
- Artificial pacemaker A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal…
- Cytogenetic map A genetic term referring to the visual appearance of a chromosome when stained and examined under a…
- Syndrome, thrombocytopenia-absent radius See Syndrome, TAR
- Peripheral vascular disease Peripheral vascular disease: A disease of blood vessels outside the heart. Peripheral vascular disease (PVD)…
- Nucleus, arcuate See: Arcuate nucleus
- Ichthyosis simplex Excessively dry skin with scaling. Also called xeroderma. See: Xeroderma. See also: Ichthyosis vulgaris
- BMP Bone morphogenetic protein
- Genital wart A wart in the moist skin of the genitals or around the anus. Genital warts are due to a human papillomavirus…
- Slake 1. To satisfy or quench. As, for example, she drank some water to slake her thirst. 2. To mix with water, to…
- Ataxia Wobbliness. Incoordination and unsteadiness due to the brain's failure to regulate the body's posture and…