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).
Androgen ablation
Treatment designed to suppress or block the production of male hormones. Androgen suppression can be achieved by surgical removal of the testicles, by taking female sex hormones, or by taking other drugs called antiandrogens. Also called…
Read the definitionRandom terms
Show more- Desmoplastic This term refers to the growth of fibrous or connective tissue. Some tumors elicit a desmoplastic reaction…
- Macro- (prefix) Prefix from the Greek 'makros' meaning large or long. Examples of terms involving macro- include macrobiotic…
- Hypopharyngeal diverticulum See: Zenker diverticulum
- Pachyonychia congenita with natal teeth This is a type of pachyonychia congenita (elephant nails from birth) in which teeth are evident at birth. It…
- Zygomycosis A dangerous infection caused by a water-borne fungus. Zygomycosis is seen most often in patients who are…
- Frontal lobe The part of each hemisphere of the brain located behind the forehead that serves to regulate and mediate the…
- R (symbol) This much-used symbol has many meanings in medicine. They include: > >Respiration: a nurse's note of 'R20' is…
- Cutis laxa A dermatologic condition characterized by unusually loose skin which may hang in pendulous folds. Cutis laxa…
- Pneumothorax Pneumothorax: Free air in the chest outside the lung. Pneumothorax can occur spontaneously ('out of the…
- Ring vaccination The vaccination of all susceptible individuals in a prescribed area around an outbreak of an infectious…
- Jacksonian epilepsy See: Epilepsy, Jacksonian
- Dermatitis and diarrhea, zinc deficiency Diarrhea, zinc deficiency:Among the consequences of zinc deficiency, dermatitis (skin inflammation) and…