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).
Secretase, beta-
An enzyme that appears to be directly involved in the early development of Alzheimer's disease. Beta-secretase is a protease (an enzyme that catalyses the splitting of interior peptide bonds in a protein). Beta-secretase acts by trimming…
Read the definitionRandom terms
Show more- Lung cancer, oat cell See: Oat cell cancer
- Joint, knee The knee joint has three parts. The thigh bone (the femur) meets the large shin bone (the tibia) to form the…
- Familial cylindromatosis A genetic syndrome in which numerous benign tumors of skin adnexa (such as the sweat glands) develop…
- Absenteeism The frequent absence from work or other duty without good reason. See also: Presenteeism
- Nijmegen breakage syndrome A genetic disease named for the city of Nijmegen (in The Netherlands) with increased chromosome breakage…
- CSF 1. Cerebrospinal fluid.2. Colony-stimulating factor
- Ingrown toenail Ingrown toenail: A common disorder that occurs when the edge of the toenail grows into the skin of the toe…
- Cotton rat A rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary syndrome) in the…
- Clostridium perfringens A type of bacteria that is the most common agent of gas gangrene and can also cause food poisoning as well as…
- Hepatocarcinoma Carcinoma (a form of cancer) that originates in liver cells. Hepatocarcinoma is better known today as…
- Live animal market See: Wet market
- Chronic bronchitis Defined clinically as a daily cough with production of sputum for 3 months, two years in a row. In chronic…