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).
Study, linkage
A study aimed at establishing linkage between genes. Linkage is the tendency for genes and other genetic markers to be inherited together because of their location near one another on the same chromosome. A gene is a functional physical…
Read the definitionRandom terms
Show more- Thrombocythemia An abnormally high number of platelets in the blood. Also known as thrombocytosis.
- Arteriosclerosis Hardening and thickening of the walls of the arteries. Arteriosclerosis can occur because of fatty deposits…
- Hantavirus pulmonary syndrome Acronym for High Altitude Pulmonary Edema, the accumulation in the lungs of extravascular fluid (fluid…
- Ciguatoxin A seafood toxin that is acquired by eating fish that have consumed toxic single-celled marine organisms…
- Automated external defibrillator A device that automatically analyzes the heart rhythm and, if it detects a problem that may respond to an…
- House staff The resident physicians of a hospital who care for patients under the direction of the attending staff. House…
- Cognitive science Cognitive science is the study of the mind. It is an interdisciplinary science that draws upon many fields…
- Photorefractive keratectomy (PRK) A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for…
- Qd (on prescription) Seen on a prescription, qd (or, written with periods, q.d.) means one a day (from the Latin quaque die). The…
- Disease, autoimmune See Autoimmune disease
- Insulin-dependent diabetes See Diabetes, type 1
- Motion, range of The range through which a joint can be moved, usually its range of flexion and extension. Due to an injury…