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).
Glaucoma, acute angle-closure
Glaucoma, acute angle-closure: Increased pressure in the front chamber (anterior chamber) of the eye due to sudden (acute) blockage of the normal circulation of fluid within the eye. The block takes place at the angle of the anterior…
Read the definitionRandom terms
Show more- Ortho- (prefix) Prefix meaning straight or erect. From the Greek 'orthos' that means just that: straight or erect. Examples…
- Anal papilla A skin tag that projects up from the junction between the skin and the inside lining of the anus. Anal…
- Tubal pregnancy A pregnancy that is not in the usual place within the uterus but is located in the Fallopian tube. Tubal…
- Papillomatosis, recurrent respiratory Recurrent respiratory papillomatosis involves the growth of numerous warty growths in the larynx on the vocal…
- HTLV Human T-lymphotropic virus
- Amine A chemical compound containing nitrogen. Amines are derived from ammonia. (The name 'amine' was derived from…
- Hepatomegaly An enlarged liver. 'Hepato-' comes from the Greek 'hepatikos' (of the liver) + 'megaly' from the Greek…
- Fibrosis, premacular See: Macular pucker
- System, immune A complex system that is responsible for distinguishing us from everything foreign to us, and for protecting…
- Bougienage A procedure involving the use of a bougie. A bougie is a thin cylinder of rubber, plastic, metal or another…
- Test, syphilis (VDRL) A blood test for syphilis (VDRL stands for Venereal Disease Research Laboratory) that detects an antibody…
- Nexus A connection or link. A causal connection. A connected series. 'Nexus' comes from the Latin 'nectere' meaning…