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.
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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).
Homeopathy
A system of therapy based on the concept that disease can be treated with drugs (in minute doses) thought capable of producing the same symptoms in healthy people as the disease itself. Homeopathy was invented by the German physician…
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Show more- Genome, rice The first commercially important plant to have its genome sequenced. This feat, completed early in 2001, is…
- Desmoplastic reaction This term refers to the growth of fibrous or connective tissue. Some tumors elicit a desmoplastic reaction…
- Stress testing, exercise cardiac The exercise cardiac stress testing (ECST) is the most widely used cardiac (heart) screening test. The…
- Sebum An oily secretion of the sebaceous gland which helps to preserve the flexibility of the hair
- Inversion, paracentric chromosome A basic type of chromosome rearrangement in which a segment that does not include the centromere (and so is…
- Usher syndrome Usher syndrome: A genetic disorder characterized by hearing impairment and an eye disorder called retinitis…
- Vaccination, H. flu This immunization is designed to prevent disease due to Haemophilus influenzae (H. flu), specifically…
- Diabetes, adult-onset Type 2 diabetes. See also Diabetes, type 2
- Vascular endothelial growth factor (VEGF) A substance made by cells that stimulates new blood vessel formation, a mitogen for vascular endothelial…
- Sign, Kernig A clinical hallmark of meningitis, inflammation of the meninges, the membranes covering the brain and spinal…
- LL 1. Lower lid (of the eye). 2. Lower limit. The recommended LL for potassium intake is 4.7 grams per day for…
- Mediastinoscopy A procedure in which the doctor inserts a tube into the chest to view the organs in the mediastinum. The tube…