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).
Breast bone
Breast bone: Familiar name for the sternum, the long flat bone in the middle of the front of the chest. The sternum consists of three portions: the manubrium (the upper segment of the sternum, a flattened, roughly triangular bone), the…
Read the definitionRandom terms
Show more- Neurinoma, acoustic A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from…
- Headache, chronic daily See: Chronic daily headache
- UGA A triplet consisting of uracil,guanine, adenine, in that order, that acts as a stop codon in messenger RNA…
- Antiprotozoal Something that destroys protozoa or inhibits their growth and ability to reproduce. A few of the protozoa of…
- Dummy In science experiments, a substance without any active ingredient, a placebo. In the UK, a pacifier: an…
- NIEHS Stands for National Institute of Environmental Health Sciences, one of the National Institutes of Health in…
- Melanocyte A pigment-producing cell in the skin, hair and eye that determines their color. The pigment that melanocytes…
- Oncogene 1. A gene that played a normal role in the cell as a proto-oncogene and that has been altered by mutation and…
- Neonatal chloramphenicol toxicity See: Gray baby syndrome
- Time, prothrombin A clotting test, the prothrombin time is done to test the integrity of part of the clotting scheme. The…
- Ramus of the mandible One of the two prominent, projecting back parts of the horseshoe-shaped lower jaw bone
- Recessive A condition that appears only in individuals who have received two copies of a mutant gene, one copy from…