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).
Stethoscope
An instrument used to transmit low-volume sounds such as the heartbeat (or intestinal, venous, or fetal sounds) to the ear of the listener. A stethoscope may consist of two earpieces connected by means of flexible tubing to a diaphragm…
Read the definitionRandom terms
Show more- Molar In dentistry, a molar is one of the posterior teeth well adapted to grinding, in keeping with its origin from…
- Blood draw Removal of blood, usually by venipuncture (phlebotomy, venous blood sampling). Blood draw is a popular term…
- Nyctalopia Night blindness, impaired vision in dim light and in the dark, due to impaired function of certain…
- Acellular vaccine A vaccine that may contain cellular material but does not contain complete cells
- Zidovudine Zidovudine: See: AZT.
- Cancer, cervical See: Cervical cancer
- Deficiency, hexosaminidase A See: Tay-Sachs disease
- PID (pelvic inflammatory disease) Despite its seeming lack of gender, this term is applied to women only. PID refers exclusively to ascending…
- Motor neurone disease Motor neuron disease. 'His suffering from motor neurone disease (MND) was finally over because he had chosen…
- Universal colitis Ulcerative colitis that involves the entire colon (the large intestine). Ulcerative colitis itself is a…
- Necrosis The death of living cells or tissues. Necrosis can be due, for example, to ischemia (lack of blood flow)…
- Ileitis, Crohn Inflammation of the ileum (the farthest segment of the small intestine) due to Crohn disease. Crohn disease…