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).
Hair loss
Hair loss: Hair loss is the thinning of hair on the scalp. The medical term for hair loss is alopecia. Alopecia can be temporary or permanent. The most common form of hair loss occurs gradually and is referred to as 'androgenetic…
Read the definitionRandom terms
Show more- Measles encephalitis Inflammation of the brain (encephalitis) occurs in perhaps 1 in 1,000 cases of measles, starting (up to 3…
- Prostate acid phosphatase (PAP) Prostatic acid phosphatase, an enzyme that is produced by the prostate (and other tissues) and that is…
- Vasculitis, allergic Vasculitis, allergic: A disease (also more commonly called the Churg-Straus syndrome) characterized by…
- Bullae More than one bulla, a bulla being a blister more than 5 mm (about 3/16 inch) in diameter with thin walls…
- Laryngeal stenosis Narrowing or constricting of the larynx, the voice box
- Diabetes, juvenile See Diabetes, type 1
- Substance, pressor See: Pressor substance
- Neurosurgeon A physician trained in surgery of the nervous system and who specializes in surgery on the brain and other…
- XX The sex chromosome complement of a normal human female. See also X chromosome
- Interpersonal therapy A form of psychotherapy in which the focus is on a patient's relationships with peers and family members and…
- Notifiable disease See: Reportable disease
- SPF Protection factor): A number on a scale for rating sunscreens. SPF stands for Sun Protection Factor. SPF…