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).
Thrombolytic agent
A drug that is able to dissolve a clot (thrombus) and reopen an artery or vein. Thrombolytic agents may be used to treat a heart attack, stroke, deep vein thrombosis (clot in a deep leg vein), pulmonary embolism, and occlusion of a…
Read the definitionRandom terms
Show more- Dry skin Abnormally dry skin. Can be caused by a dry climate, winter weather, deficiency of vitamin A, systemic…
- Nephrogenic rest A fragment of embryonic tissue in the kidney retained after the period of embryonic development. Nephrogenic…
- Double-blind Term used to described a study in which both the investigator or the participant are blind to (unaware of)…
- VWM Leukoencephalopathy with vanishing white matter, an inherited brain disease that occurs mainly in children…
- Anomaly, Klippel-Feil See: Klippel-Feil sequence
- Migraine headache Migraine headache: The most common type of vascular headache involving abnormal sensitivity of arteries in…
- Hippophobia An abnormal and persistent fear of horses. Sufferers of this fear experience undue anxiety even when a horse…
- Ortholog A gene in two or more species that has evolved from a common ancestor. Also called an orthologous gene
- Hypercalcemia A higher-than-normal level of calcium in the blood. This can cause a number of nonspecific symptoms…
- Collagenopathy Any one of a group of disorders that affect connective tissue, the tissue that supports the body's joints and…
- Aorta, ascending The ascending aorta is the first section of the aorta, the largest artery in the body. The ascending aorta…
- Insemination The deposition of semen in the female reproductive tract. Under normal circumstances, the deposit is made…