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).
Cataract, supranuclear
A cataract just above the center (the nucleus) of the lens. See: Cataract
Read the definitionRandom terms
Show more- Reaction, desmoplastic This term refers to the growth of fibrous or connective tissue. Some tumors elicit a desmoplastic reaction…
- C5 (cervical vertebra) The fifth cervical (neck) vertebra from the top
- Meningitis, neoplastic A condition due to cancer that has spread from the original (primary) tumor to the meninges, the tissue…
- Achlorhydria A lack of hydrochloric acid in the digestive juices in the stomach (in technical terms, so that the pH of the…
- Hurler syndrome An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which…
- Atopy The genetic tendency to develop the classic allergic diseases -- atopic dermatitis, allergic rhinitis (hay…
- Seizure, focal motor See: Focal motor seizure
- Germ line 1. The sequence of cells which develop into eggs and sperm. 2. Inherited material that comes from the eggs or…
- Superior A large vein that receives blood from the head, neck, upper extremities, and thorax and delivers it to the…
- Egg sac The 'egg sac' or ovary is one of a pair of reproductive glands in women. They are located in the pelvis, one…
- Stress test, pharmacologic There are a diversity of pharmacologic stress tests. Here this refers specifically to a pharmacologic cardiac…
- Raccoon roundworm infection Infection by the raccoon roundworm is also called Baylisascaris. The species commonly found in raccoonsis…