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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Trait, dominant lethal
A genetic trait that, if present in the genome of the individual, is expressed and therefore precludes the individual's having descendants. All such cases with a dominant lethal trait must necessarily be sporadic and must represent new…
Read the definitionRandom terms
Show more- Syndrome, Werner A premature aging disease that begins in adolescence or early in adulthood and results in apparent old age by…
- Omentectomy Surgery to remove part or all of the omentum, a fold of the peritoneum (the thin tissue lining the abdomen)…
- Karyotyping The preparation, analysis, and interpretation of a karyotype
- Congestive heart failure Congestive heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure…
- Cancer, thyroid See: Thyroid cancer
- Sternutator Something that causes a sneeze. From the Latin sternutatio (sneeze). See also: Sternutation
- Clot, blood See Blood clot
- Thalassemia minor Also called thalassemia trait, thalassemia minor is the carrier state for beta thalassemia. People who are…
- Pituitary 1. As an adjective, pertaining to the pituitary gland or its hormonal secretions. 2. As a noun, the pituitary…
- Fibulin 3 A protein that belongs to a family of extracellular proteins expressed in the basement membranes of blood…
- Electroretinogram Abbreviated ERG. An electroretinographic recording. See: Electroretinography
- Myxomata The plural (along with myxomas) of myxoma