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).
Beta cell
A type of cell in the pancreas. Within the pancreas, the beta cells are located in areas called the islets of Langerhans where they constitute the predominant type of cell. The beta cells make and release insulin, a hormone that controls…
Read the definitionRandom terms
Show more- Disease, Alpers See: Alpers disease
- True rib One of the first 7 pairs of ribs. A rib is said to be 'true' if it attaches to the sternum (the breast bone)…
- Blackwell, Elizabeth (1821-1910) The first woman to receive a medical degree from an accredited American college. Blackwell was…
- Withdrawal, penis A method of contraception, also called coitus interruptus, in which the man withdraws his penis from the…
- Tympanic 1. Pertaining to the tympanum (the eardrum).2. Pertaining to the tympanic cavity.3. Bell-like or resonant
- Head lice Head lice> Pediculus humanus capitis, parasitic insects found on the heads of people. Head lice are most…
- Fasciitis, plantar Inflammation of the plantar fascia (fasciitis), the 'bowstring-like' tissue stretching from the heel…
- Choking (object in airway) Partial or complete obstruction of the airway can be due to a foreign body (e.g., food, a bead, toy, etc.)…
- Meconium ileus Obstruction of the intestine (ileus) due to overly thick meconium, the dark sticky stuff that is normally…
- Agreement, arbitration See: Arbitration agreement
- Carcinoma, basal cell Carcinoma, basal cell: The most common type of skin cancer, a disease in which the cancer cells resemble the…
- Malariology The study of malaria. Someone who is versed in malariology is a malariologist