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).
Evolution, biologic
Biologic evolution was contrasted with cultural (social) evolution in 1968 by A.G. Motulsky who pointed out that biologic evolution is mediated by genes, shows a slow rate of change, employs random variation (mutations) and selection as…
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Show more- Smallpox vaccination in eczema See Eczema vaccinatum
- Reinstein syndrome A heritable syndrome characterized by eye disease (specifically, macular degeneration and inverse retinitis…
- Centers for Disease Control and Prevention >CDC facilities in the US in: > >Anchorage, Alaska >Atlanta >Cincinnati, Ohio >Fort Collins, Colorado…
- Fever, Rocky Mountain spotted (RMSF) Fever, Rocky Mountain spotted (RMSF): An acute febrile (feverish) disease initially recognized in the Rocky…
- Synovial membrane A layer of connective tissue that lines the cavities of joints, tendon sheaths, and bursae and makes synovial…
- Natural menopause Menopause: Natural menopause occurs when the ovaries naturally decrease their production of the sex hormones…
- Bather's eruption An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Allergic salute The person with allergic rhinitis (hay fever) often rubs his/her nose using the index finger. This is the…
- Cranial nerve V The fifth cranial nerve is the trigeminal nerve. The trigeminal nerve is quite complex. It functions both as…
- Visual acuity The clarity or clearness of the vision, a measure of how well a person sees. The ability to distinguish…
- Mumps immunization The standard MMR vaccine is given to prevent measles, mumps and rubella (German measles). The MMR vaccine is…
- Transvestite A person who dresses in the clothing of the opposite sex, i.e., a person who cross-dresses