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).
Efferent vessel
A vessel carrying blood away from the heart. An artery or arteriole
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Show more- Evolution, biologic Biologic evolution was contrasted with cultural (social) evolution in 1968 by A.G. Motulsky who pointed out…
- Werner-His disease Named for the German physician Heinrich Werner (who did not describe Werner's premature aging syndrome) and…
- Effects, fetal rubella The constellation of abnormalities, also called the rubella syndrome, caused by infection with the rubella…
- Episcleritis Inflammation of the episclera, a thin membrane that covers the sclera (the white of the eye). Episcleritis is…
- Mesial 1. Toward the middle. As, for example, a mesial temporal lobe structure.2. In dentistry, toward the middle of…
- Toxic multinodular goiter Condition in which the thyroid gland contains multiple lumps (nodules) that are overactive, produce excess…
- Cholestasis with peripheral pulmonary stenosis Also known as arteriohepatic dysplasia or Alagille syndrome, this ia a genetic disorder characterized by…
- Genetics The scientific study of heredity. Genetics pertains to humans and all other organisms. So, for example, there…
- Fart This is not an accepted medical word for passing gas. Excess gas in the intestinal is medically termed…
- Gene, transporter A gene that allows drugs to enter cells or, in some cases, acts to keep them out. Transporter genes may…
- Leishmania infection A parasitic disease, also called leishmaniasis, spread by the bite of sand flies infected with a protozoa…
- Deficiency, hexosaminidase A See: Tay-Sachs disease