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).
Involuntary smoking
The involuntary inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
Read the definitionRandom terms
Show more- Cruciate ligament, posterior The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Microscope, compound A microscope that consists of two microscopes in series, the first serving as the ocular lens (close to the…
- Craniopharyngioma A type of benign brain tumor that emerges develops from embryonic tissue that forms part of the pituitary…
- Glabella 1. The area between the eyebrows, just above the nose. 2. The corresponding area on the frontal bone between…
- Walleyed 1. Having exotropia -- divergent strabismus -- in which the eyes turn outward away from the nose. The…
- Biologic evolution Biologic evolution was contrasted with cultural (social) evolution in 1968 by A.G. Motulsky who pointed out…
- Extracolonic Outside the colon. An hereditary colon cancer syndrome may also predispose to extracolonic malignancies
- Naturalistic study A type of study in which the researcher very carefully observes and records some behavior or phenomenon…
- Li-Fraumeni syndrome (LFS) This is an extraordinary cancer family syndrome. People with LFS have a tendency to develop a great diversity…
- Fracture, stress A fracture caused by repetitive stress, as may occur in sports, strenuous exercise, or heavy physical labor…
- Alpha thalassemia Alpha thalassemia: A blood disorder, thalassemia is not one disease but rather a group of disorders that have…
- Extracranial hematoma A hematoma (a collection of blood) outside the cranium (skull)