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).
Systole, extra
See: Extrasystole
Read the definitionRandom terms
Show more- Syndrome, androgen insensitivity Also known as complete androgen insensitivity syndrome. This is a genetic disorder that makes XY fetuses…
- Seizure disorders One of a great many medical conditions that are characterized by episodes of uncontrolled electrical activity…
- C. elegans Caenorhabditis elegans, a roundworm
- Lung cancer, small cell A type of lung cancer in which the cells are small and round. Also called oat cell lung cancer
- Hypertrophic hypoproteinemic gastropathy See: Giant hypertrophic gastritis
- IgG Immunoglobulin G, a major class of immunoglobulins found in the blood, including many of the most common…
- BNP B-type natriuretic peptide
- Dengue hemorrhagic fever (DHF) Fever (DHF): A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal…
- DYS Symbol for familial dysautonomia. See: Familial dysautonomia.
- Arthritis, systemic-onset juvenile rheumatoid A form of joint disease in children whose systemic signs and symptoms include high intermittent fever, a…
- Ophthalmic migraine Migraine involving the eyes but without headache. Migraine, due to a spasm of blood vessels in the brain…
- TSH Stands for thyroid stimulating hormone, a hormone produced by the pituitary gland at the base of the brain in…