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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
PAH
Polycyclic aromatic hydrocarbon
Read the definitionRandom terms
Show more- Dystrophia brevicollis congenita See: Klippel-Feil sequence
- Ataxia telangiectasia mutated See: ATM
- Garlic A perennial herb of the lily family cultivated for its pungent, edible bulbs. Garlic has been used with the…
- Computerized axial tomography (CAT) Cat scanning adds X-ray images with the aid of a computer to generate cross-sectional views anatomy. It can…
- Willis, circle of A cancer of the kidney and one of the most important malignancies in childhood, due to loss or inactivation…
- Cutting for the stone The removal of kidney or bladder stones by surgery. The procedure is today called lithotomy. In the first…
- Priapism Abnormally persistent erection of the penis in the absence of sexual desire. Priapism can occur in persons…
- Enzymes Proteins that act as a catalysts in mediating and speeding a specific chemical reaction. In 1902 Archibald…
- Asparagine An amino acid, one of the 20 building blocks of protein. Asparagine is nonessential to the diet since the…
- Idiopathic Of unknown cause. Any disease that is of uncertain or unknown origin may be termed idiopathic. For example…
- Eyes, flashing lights in the There are a number of causes of spontaneous flashing light sensations in the eye. A sensation of flashing…
- Staging In regard to cancer, the process of doing examinations and tests to learn the extent of the cancer…