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).
JAMA
The Journal of the American Medical Association. JAMA began publication in 1883. It now bills itself as 'the world's best-read medical journal'. However one defines 'best-read', JAMA clearly ranks as one of the two leading general medical…
Read the definitionRandom terms
Show more- Kinship Relationship by marriage or, specifically, a blood tie.
- Dissection, radical neck See: Multiple sclerosis.
- Rebound Return of the original symptoms when maneuvers or treatment is discontinued
- Antidiuretic hormone (ADH) A relatively small (peptide) molecule that is released by the pituitary gland at the base of the brain after…
- Pituitary gland The main endocrine gland. It is a small structure in the head. It is called the master gland because it…
- Selfish operon A hypothesis according to which the clustering of genes and their subsequent organization into operons is…
- Microscope, compound A microscope that consists of two microscopes in series, the first serving as the ocular lens (close to the…
- Nude mouse A mutant mouse said to be nude because it is hairless due to the presence two copies of the gene 'nu' (for…
- Congenital rubella syndrome The constellation of abnormalities caused by infection with the rubella (German measles) virus before birth…
- Hernia, diaphragmatic Hernia: Passage of a loop of bowel through the diaphragm muscle. This type of hernia occurs as the bowel from…
- Mg Abbreviation for milligram, a unit of measurement of mass in the metric system equal to a thousandth of a…
- Histone A protein around which DNA coils to form chromatin. Without this protein material, DNA could not organize…