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).
Gonad
A reproductive gland (ovary or testis) that produces germ cells (gametes). In embryonic life, the gonad in males and females is initially identical. This gonad is said to be 'indifferent' before it differentiates into a definitive testis…
Read the definitionRandom terms
Show more- Counterpulsation A technique that synchronizes the external pumping of blood with the heart's cycle to assist the circulation…
- Pressor Causing a rise in blood pressure. A pressor base is a substance (chemically classified as a base) capable of…
- Genetic transformation A process by which the genetic material carried by an individual cell is altered by the incorporation of…
- Holoprosencephaly A relatively common birth defect of the brain, which often also affects facial features, causing closely…
- Rale A type of abnormal lung sound heard through a stethoscope. Rales may be sibilant (whistling), dry (crackling)…
- Chest X-ray Chest X-ray: Commonly used to detect abnormalities in the lungs, but can also detect abnormalities in the…
- Marker, tumor Tumor markers are substances that can be detected in higher-than-normal amounts in the blood, urine, or body…
- Cord, umbilical See: Umbilical cord
- Myelodysplastic syndrome A group of bone marrow disorders characterized by the underproduction of one or more types of blood cells due…
- De Quervain's tenosynovitis De Quervain's tenosynovitis: De Quervain's tenosynovitis is inflammation of tendons on the side of the wrist…
- Vulvodynia, essential A chronic, diffuse, unremitting sensation of burning of the vulva -- (the female external genital organs…
- MGy Abbreviation for milligray