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).
Ala
Alanine. See also: Amino acid symbols
Read the definitionRandom terms
Show more- Adam's apple A familiar anatomic feature in the front of the neck that is due to the forward protrusion of the thyroid…
- Taint To poison, infect, or spoil
- Zygote intrafallopian transfer (ZIFT) A technique in which a woman's egg is fertilized outside the body, then implanted in one of her fallopian…
- Spasm A brief, automatic jerking movement. A muscle spasm can be quite painful, with the muscle clenching tightly…
- Shingles Shingles: An acute infection caused by the herpes zoster virus, the same virus as causes chickenpox. Shingles…
- Chandipura virus A virus that causes fever, symptoms similar to those of flu, and acute encephalitis (inflammation of the…
- Nostril One of the openings in the nose that allows air to flow in and out of the nasal cavities. The word nostril…
- BAC Abbreviation for bacterial artificial chromosome. An artificially created chromosome in which medium-sized…
- Coding DNA A sequence of DNA that codes for protein. Coding DNA sequences are separated by long regions of DNA called…
- Deafness, nonsyndromic A blood clot (thrombus) in a deep vein in the thigh or leg. The clot can break off as an embolus and make its…
- Rash Rash: Breaking out (eruption) of the skin. Medically, a rash is referred to as an exanthem.
- Moonflower An hallucinogenic but poisonous plant known scientifically as Datura that has white flowers that bloom at…