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).
Abductor spasmodic dysphonia
A disorder in which sudden muscle spasms cause the vocal folds (or vocal cords) to stay open. See: spasmodic dysphonia
Read the definitionRandom terms
Show more- Lability The state or quality of being labile: susceptible to change, error or instability. From the Latin labilis…
- BKA Acronym standing for 'below knee amputation.' A nurse scrubbing for a BKA is preparing to assist in a…
- Labor, false Intermittent non-productive muscular contractions of the womb (uterus) during pregnancy, most commonly in the…
- Gerascophobia An abnormal and persistent fear of growing old. Sufferers of this fear experience undue anxiety about aging…
- Phylogenetics A physician specializing in physical medicine and rehabilitation. Physiatrists specialize in restoring…
- Alpha helix The coiled structure of many proteins consisting of a single chain of amino acids stabilized by hydrogen…
- Pulse The rhythmic contraction and expansion of an artery due to the surge of blood from the beat of the heart. The…
- HTR1A A gene on chromosome 5 that encodes a type of receptor for serotonin. See: 5-HT1A
- Glaucoma, symptoms of At first, there are no symptoms. Vision stays normal, and there is no pain. However, as the disease progress…
- Epiretinal membrane A thin membrane that covers the sclera (the white of the eye). "Epi-" is a prefix from the Greek that means…
- Rock (drug) A street name given to cocaine that has been processed from cocaine hydrochloride to a ready-to-use free base…
- Xerophagia A dry diet. Literally, dry eating. From the Greek 'xeros' meaning 'dry' + 'phago' meaning 'to eat.