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).
Thumb
The short thick finger situated at an angle to the other fingers so it can be opposed to the them, making it possible to pick up and hold things. The thumb is analogous in position to the big toe (the great toe) and similarly has only two…
Read the definitionRandom terms
Show more- XRT Medical abbreviation for radiotherapy
- AP, X-ray An X-ray picture in which the beams pass from front-to-back (anteroposterior). As opposed to a PA…
- Dysmorphic feature A body characteristic that is abnormally formed. A malformed ear, for example, is a dysmorphic feature…
- DNA polymerase Enzyme that catalyzes (speeds) the polymerization of DNA. DNA polymerase uses preexisting nucleic acid…
- Patellar Pertaining to the patella, the kneecap by another name, the familiar small bone planted in the front of the…
- Monosomy Missing one chromosome from a pair. For example, if a female has one X chromosome (X monosomy) rather than…
- Unresolved grief Grief characterized by the extended duration of the symptoms, by interference of the grief symptoms with the…
- Otitis interna Inflammation of the inner ear. Sometimes used as a synonym for labyrinthitis, inflammation of the labyrinth…
- Turban tumor syndrome See: Familial cylindromatosis
- Mortality rate, neonatal The number of children dying under 28 days of age divided by the number of live births that year. The…
- Octogenarian Someone in his or her eighties, that is, between 80 and 89 years of age. See also: Age by decade
- Biological safety level 4 Level 4 biosafety