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).
Gluteus maximus
The greatest gluteal muscle and the biggest muscle in the human body. The gluteus maximus forms the bulk of the buttocks. It acts to extend the upper leg, spread it, and turn it outward. There are two other gluteal muscles called the…
Read the definitionRandom terms
Show more- Magnetic resonance imaging Magnetic resonance imaging: A special radiology technique designed to image internal structures of the body…
- Mouse genome All of the genetic information contained in the laboratory mouse (Mus musculus). The genomes of particular…
- Lichtenberg figures A fern-leaf pattern of reddish, painless marks on the skin that are a result of a skin reaction to a…
- Endoplasmic reticulum A structure within cells that is an extension of the nuclear membrane and in which proteins slated to become…
- Brittle diabetes A type of diabetes when a person's blood glucose (sugar) level often swings quickly from high to low and from…
- Nervus ulnaris See: Ulnar nerve
- Dactyl-, -dactyl Prefix or suffix denoting involvement of the digits (fingers or toes)
- Perichondritis Inflammation of the perichondrium, a dense membrane composed of fibrous connective tissue that closely wraps…
- Hetero- Chromosomal material that is darkly staining and tightly coiled throughout the cell cycle and that is, for…
- Alpha Omega Alpha The medical honor society, the medical school equivalent of Phi Beta Kappa, in the United States and Canada…
- Pupil The opening of the iris. The pupil may appear to open (dilate) and close (constrict) but it is really the…
- Pathophysiology Deranged function in an individual or an organ that is due to a disease. A pathophysiologic alteration is a…