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).
Angle-closure glaucoma, acute
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 chamber formed by its junction of…
Read the definitionRandom terms
Show more- Sleep drug Any drug used to help sleep. Most prescription sleep drugs are sedative hypnotic agents. They include Valium…
- FISH Abbreviation for fluorescence in situ hybridization, a molecular technique used in chromosome studies. FISH…
- Chekhov See: Chekhov, Anton
- Pleural space The tiny area between the two layers of the pleura (the thin covering that protects and cushions the lungs)…
- Sprain, ankle See: Ankle sprain
- Otoscope Instrument for looking in the ear. Today, otoscopic or ophthalmoscopic heads can usually be attached to the…
- Conservative mutation A change in a DNA or RNA sequence that leads to the replacement of one amino acid with a biochemically…
- PAP 1. Prostatic acid phosphatase. 2. Pulmonary artery pressure
- Analysis, linkage Study aimed at establishing linkage between genes. Today linkage analysis serves as a way of gene-hunting and…
- Antisense In molecular biology, the strand complementary to a coding sequence of a nucleic acid. Antisense DNA is the…
- Urinary tract infection Infection of the kidney, ureter, bladder, or urethra. Not everyone with a UTI has symptoms. Common symptoms…
- Polycyclic aromatic hydrocarbon Abbreviated PAH. A hydrocarbon (a molecule made up of hydrogen and carbon) containing two or more closed…