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).
Alanine aminotransferase (ALT)
An enzyme that is normally present in liver and heart cells. ALT is released into blood when the liver or heart is damaged. The blood ALT levels are thus elevated with liver damage (for example, from viral hepatitis) or with an insult to…
Read the definitionRandom terms
Show more- Rate, maternal mortality The number of maternal deaths related to childbearing divided by the number of live births (or by the number…
- Tone deafness The inability to recognize musical tones or reproduce them. Also called amusia
- Testicular cancer Testicular cancer: Cancer of the male sex organ, the testicle, that normally produces the hormone…
- Alopecia, traumatic Hair loss caused by injury to the scalp. Traumatic alopecia is usually caused by grooming methods that…
- Plodia interpunctella See: Meal moth
- Klippel-Feil anomalad See: Klippel-Feil sequence
- Nucleus 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells
- Amazia A condition wherein the breast tissue is absent, but the nipple is present. Amazia typically is a result of…
- Palliative care 1) Medical or comfort care that reduces the severity of a disease or slows its progress rather than providing…
- OAE Acoustic emission test) : OAE is an abbreviation for 'otoacoustic emission test' which measures an acoustic…
- Special pathogen A highly infectious agent that produces severe disease in humans. Special pathogens include the viruses that…
- Immunization, infectious hepatitis See Immunization, hepatitis A