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).
MCAD
Abbreviation for medium-chain acyl-CoA dehydrogenase. See: MCAD deficiency
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- Arrhythmia, sinus The normal increase in heart rate that occurs during inspiration (when you breathe in). This is a natural…
- A- Prefix very much employed in medicine and all of the health sciences, indicating 'not, without, -less' as…
- Race An ethnic stock or division of humans. Naturalists and ethnographers have long divided humans into a variable…
- Joint, patellofemoral One of the knee joints. The knee has three parts. The thigh bone (femur) meets the large shin bone (tibia)…
- Chromosome inversion, paracentric The chart of the linear array of genes on a chromosome. A chromosome map can also refer to the visual…
- PA (posteroanterior) In anatomy, PA stands for posteroanterior: from back-to-front. For example, a PA X-ray of the chest is taken…
- Wolfram syndrome A genetic neurodegenerative disease that leads to many different abnormalities including diabetes insipidus…
- Impotence Impotence: A common problem among men characterized by the consistent inability to sustain an erection…
- Symptoms, withdrawal Abnormal physical or psychological features that follow the abrupt discontinuation of a drug that has the…
- Chekhov See: Chekhov, Anton