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).
Bannayan syndrome
A genetic disease characterized by macrocephaly (enlarged head), multiple lipomas (benign fatty tumors) and hemangiomas (benign blood vessel tumors). The macrocephaly occurs without enlargement of the cerebral ventricles. There is mild…
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Show more- C1 (cervical vertebra) C1 is the first cervical (neck) vertebra which is called the atlas. It supports the head. The atlas bone is…
- Chickenpox immunization Immunization designed to prevent or lessen the severity of the common disease known as chickenpox. The…
- Heberden disease >Angina pectoris, chest pain that is often severe and crushing, due to an inadequate supply of oxygen to the…
- Hormone, cortisol The primary stress hormone. Cortisol is the major natural glucocorticoid in humans
- Uterus cancer See: Uterine cancer
- Body type A somewhat old-fashioned term used to classify the human shape into three primary types: ectomorphic…
- Abate To lessen or decrease. After a boil is lanced, the pus can drain and the pain and tenderness abate. From the…
- Psychotropic drug Any drug capable of affecting the mind, emotions, and behavior. Some legal drugs such as lithium for…
- Dorsum The back or posterior side of a structure. 'Dorsum' is the Latin word for the back. Something pertaining to…
- Tubercular See: Tuberculous
- Rendu-Osler-Weber syndrome See: Hereditary hemorrhagic telangiectasia
- Mitral insufficiency Incomplete closure of the mitral valve resulting in the backflow of blood from the left ventricle to the left…