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).
Myoclonic twitch
A rapid, involuntary muscle contraction, particularly near the eye. Myoclonic tics resemble, and may be mistaken for, tics. Like tics, they tend to occur more often when the person is under stress; unlike tics, they are not preceded by any…
Read the definitionRandom terms
Show more- Analysis A psychology term for processes used to gain understanding of complex emotional or behavioral issues
- Warfarin Warfarin: An anticoagulant drug (brand names: Coumarin, Panwarfin, Sofarin) taken to prevent the blood from…
- MRI Abbreviation and nickname for magnetic resonance imaging. For more information, see: Magnetic Resonance…
- Sitophilus granarius See: Granary weevil
- Lymphangioleiomyomatosis A structure consisting of a collection of blood vessels and lymph vessels that are overgrown and clumped…
- Tendonopathy, patellar See: Patellar tendonitis
- Douglas, pouch of >Culdoscopy, the introduction of a viewing tube (endoscope) through the vagina into the cul-de-sac…
- Boomeritis Injuries to older amateur athletes, especially those who are part of the Baby Boom, born when there was a…
- Change, single base A change in which a single base in the DNA differs from the usual base at that position. These single base…
- Fixation, internal A surgical procedure that stabilizes and joins the ends of fractured (broken) bones by mechanical devices…
- Amblyopia, nocturnal Amblyopia refers to blindness so nocturnal amblyopia is, literally, night blindness. Listed in medical…
- Acromegaly Condition due to the production of too much growth hormone by the pituitary gland after the end of…