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).
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Show more- Visual receptor The layer of rods and cones that are the visual cells of the retina
- Off-pump Not on the pump, usually meaning not on the heart-lung machine. See also: Off-pump surgery
- Contraceptive, injectable progestin Injectable progestin (Depo-Provera) was approved by the U.S. Food and Drug Administration (FDA) for…
- Node, AV AV node: The AV node (AV stands for atrioventricular) is an electrical relay station between the atria (the…
- Cryotherapy Cryotherapy: Literally, 'cold therapy.' Cryotherapy, sometimes referred to as cryosurgery, is a procedure…
- ABR (auditory brainstem response) Abbreviation for auditory brainstem response. See: ABR test
- Scrofulous 1. Literally, relating to scrofula (tuberculosis of the lymph nodes, particularly of the neck). 2…
- Crossing over The exchange of genetic material between two paired chromosomes. Crossing over is a way to recombine the…
- Episclera A thin membrane that covers the sclera (the white of the eye). 'Epi-' is a prefix from the Greek that means…
- Tick-borne rickettsiosis, north Asian One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to Rocky Mountain spotted…
- Shunt, transjugular, intrahepatic, portosystemic A shunt that drains fluid from the cerebral ventricle into the abdomen.
- Ankyloglossia A minor congenital anomaly (birth defect) in which the flap of mucous membrane under the tongue (known as the…