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).
OSA (obstructive sleep apnea)
See: Oscillopsia.
Read the definitionRandom terms
Show more- Neck, wry Medically called spasmodic torticollis, or torticollis. The most common of the focal dystonias. In…
- Hyperoxaluria An hereditary disorder that causes a special type of stone to form in the kidney and the urine beginning in…
- Headache, rebound Headaches experienced by those who have taken ergotamine or analgesic medications for migraines or other…
- Jugular The principal vein in the front of either side of the neck. The word comes from the Latin jugulum meaning…
- Enzyme, restriction An enzyme from bacteria that can recognize specific base sequences in DNA and cut the DNA at that site (the…
- Kit, emergency supplies A group of bacteria normally living in the intestinal tract and frequently the cause of nosocomial infections…
- Arrhythmias, ventricular Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the…
- Allergen A substance that is foreign to the body and can cause an allergic reaction in certain people. For examples…
- Labor Childbirth, the aptly-named experience of delivering the baby and placenta from the uterus to the vagina to…
- Sinus, ethmoid See: Ethmoid sinus
- Fixation, external A procedure that stabilizes and joins the ends of fractured (broken) bones by a splint or cast. External…
- Hox gene One of a subgroup of homeobox genes that are found in clusters on the genes of vertebrates. These are…