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).
Diabetes
Diabetes: Refers to diabetes mellitus or, less often, to diabetes insipidus. Diabetes mellitus and diabetes insipidus share the name 'diabetes' because they are both conditions characterized by excessive urination (polyuria). The word…
Read the definitionRandom terms
Show more- Syndactyly, Poland A unique pattern of one- sided malformations characterized by a defect of the chest (pectoralis) muscle on…
- Infection, meningococcal See: Meningococcal infection
- Idiot savant See: Autistic savant. The term 'autistic savant' is preferred to the old term 'idiot savant' as less…
- TACE Transarterial chemoembolization, a procedure in which the blood supply to a tumor is blocked (embolized) and…
- Ventral A chamber of an organ. For example, the four connected cavities (hollow spaces) in the central portion of the…
- Estrogen Estrogen is a female hormone produced by the ovaries. Estrogen deficiency can lead to osteoporosis. Estrogen…
- Juvenile chronic arthritis, systemic-onset See: Arthritis, systemic-onset juvenile rheumatoid
- Sleeping disease A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Aplasia of the breast Breast: A rare condition wherein the normal growth of the breast or nipple never takes place. They are…
- Arms An appendage in anatomy and in clinical trials. See: Arm
- Central line A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…
- Disease, Huntington An hereditary disorder with mental and physical deterioration leading to death. Although characterized as an…