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).
Cerebral aneurysm
A localized widening of a vessel within the brain. See: Berry aneurysm
Read the definitionRandom terms
Show more- Bones of the arm, wrist and hand There are 64 bones in the upper extremity. They consist of 10 shoulder and arm, 16 wrist and 38 hand bones. >…
- Womyn Woman. A late 20th century feminist creation to avoid the suffix man
- Interleukin-1 A protein produced by various cells, including macrophages, interleukin-1 raises body temperature, spurs the…
- Race-based drug A drug designed for a particular racial group. The first race-based drug was BiDil, a combination of two old…
- Histiocytosis, sinus A variant of histiocytosis in which the lymph nodes are the main site of histiocyte proliferation. The…
- Six fingers or toes The presence of an extra sixth finger or toe, a very common congenital malformation (birth defect). This…
- Dexfenfluramine A weight loss drug, in a class of drugs called anorectics which decrease appetite. This drug, sold in the US…
- Count, platelet The calculated number of platelets in a volume of blood, usually expressed as platelets per cubic millimeter…
- Fat cell A cell containing fat. Also called an adipocyte. A fat cell, or adipocyte, is a connective tissue cell that…
- Transvestite A person who dresses in the clothing of the opposite sex, i.e., a person who cross-dresses
- Fever, dengue An acute mosquito-borne viral illness of sudden onset that usually follows a benign course with headache…
- Papillary tumor A tumor shaped like a small mushroom with its stem attached to the inner lining of the bladder