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).
Methicillin
A semisynthetic penicillin-related antibiotic, also known as Staphcillin, that once was effective against staphylococci (staph) resistant to penicillin because they produce the enzyme penicillinase. Rarely used now, methicillin has been…
Read the definitionRandom terms
Show more- Cell, T See T cell
- Xanthoma, disseminatum A type of xanthoma characterized by orange-to-brown nodules on the skin or mucus membranes
- X-ray crystallography The use of X-rays of known wavelength to learn the structure of any crystalline material. Put otherwise…
- Stickler syndrome, type III See: Stickler syndrome
- Ring vaccination The vaccination of all susceptible individuals in a prescribed area around an outbreak of an infectious…
- Hereditary prostate cancer Prostate cancer: A genetic form of prostate cancer. The risk of prostate cancer is clearly genetic. Men with…
- Scratch test for allergy A mammogram (an X-ray of the breast) in women who have no signs of breast cancer. It usually involves two…
- Facies A direct borrowing from the Latin, facies means face.
- Glioma, visual pathway See Visual pathway glioma
- Vaccination, German measles See Immunization, MMR.
- Legg-Calve-Perthes disease A hip disorder in children due to interruption of the blood supply to the head of the femur (the ball in the…
- High protein diet A high protein diet is a type of weight loss plan that emphasizes consumption of high-protein-containing…