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).
Range of motion
The range through which a joint can be moved, usually its range of flexion and extension. Due to an injury, the knee may for example lack 10 degrees of full extension
Read the definitionRandom terms
Show more- Nephrolith A kidney stone
- Ambien Brand name for the sedative hypnotic drug zolpidem used for sleep. For more information, see: zolpidem
- Organ A relatively independent part of the body that carries out one or more special functions. The organs of the…
- Cranio- Insufficient intake of nitrogen-containing food (protein) to maintain a nitrogen balance or nitrogen…
- Molar In dentistry, a molar is one of the posterior teeth well adapted to grinding, in keeping with its origin from…
- Rickettsiosis, vesicular See Rickettsialpox
- Estrogen/progestin therapy Abbreviated EPT. A combination of the hormones estrogen and progestin. Taken by women, the estrogen in the…
- Dilation, pupil This examination enables your eye care professional to see more of your retina, the light-sensitive layer of…
- Salaam seizure See: Infantile spasms
- Germline mutation Mutation: A heritable change in the DNA that occurred in a germ cell (a cell destined to become an egg or in…
- Perforation, nasal septum A hole in the nasal septum, the wall inside the nose that runs down the middle dividing it into two sides…
- Premacular fibrosis See: Macular pucker