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).
Bicuspid valve
One of the four valves of the heart, this valve is situated between the left atrium and the left ventricle. It permits blood to flow one way only, from the left atrium into the left ventricle This valve is more commonly called the mitral…
Read the definitionRandom terms
Show more- Borborygmi Rumbling sounds caused by gas moving through the intestines (stomach 'growling'). Pronounced BOR-boh-RIG-mee…
- Genome annotation The process of identifying the locations of genes and all of the coding regions in a genome and determining…
- Clavus Synonymous with corns. The word 'clavus' is the Latin word for nail
- Zebra The term 'zebra' in medicine does not refer to the striped African animal but to an unlikely diagnostic…
- Biotin A water-soluble B-complex vitamin involved in carbon dioxide transfer and therefore essential to the…
- Osteology The study of bones. The branch of anatomy or physical anthropology that deals with bones. Bone-ology
- Gly Glycine. See also: Amino acid symbols
- Heart failure Heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure of the…
- Delusional parasitosis Pertaining to dermatoglyphics -- the study of dermal ridges on the fingers, palms, toes, and soles.
- Pertussis Pertussis: Whooping cough, a communicable, potentially deadly illness characterized by fits of coughing…
- Sickle cell trait The condition in which a person has one copy of the gene for sickle cell (and is called a sickle…
- Myringotomy A surgically placed tiny incision in the eardrum. Any fluid behind the eardrum can then drain and usually…