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).
Essential
1. Something that cannot be done without.2. Required in the diet, because the body cannot make it. As in an essential amino acid or an essential fatty acid. 3. Idiopathic. As in essential hypertension. 'Essential' is a hallowed term…
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Show more- Valsalva 1. The Valsalva maneuver in which a person tries to exhale forcibly with a closed glottis (windpipe) so that…
- Coronary arteries The vessels that supply the heart muscle with blood rich in oxygen. They are called the coronary arteries…
- Viral Of or pertaining to a virus. For example, 'My daughter has a viral rash.
- Sociopathic personality disorder See: Antisocial personality disorder
- PH A measure of the acidity or alkalinity of a fluid. The pH of any fluid is the measure of its hydrogen ion…
- CRP An intestinal infection characterized by diarrhea caused by a microscopic parasite, Cryptosporidium parvum…
- Kirklin See: Kirklin, John W.
- West Nile encephalitis West Nile encephalitis: A febrile disease caused by the West Nile virus that is transmitted from birds to the…
- Pestilence The pestilence referred to the bubonic plague and it now refers to any epidemic disease that is highly…
- Antibiotic resistance Antibiotic resistance: The ability of bacteria and other microorganisms to withstand an antibiotic to which…
- Estrogen-associated blood clots >esterified estrogens >esterified estrogens and methyltestosterone >estradiol >estrogens (conjugated) and…
- Magnetic resonance spectroscopic imaging (MRSI) A noninvasive imaging method that provides information about cellular activity (metabolic…