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).
Single gene disease
Any genetic disorder caused by a change affecting only one gene. There are thousands of single-gene diseases including achondroplasia, cystic fibrosis, hemophilia, Huntington disease, muscular dystrophy, and sickle cell disease…
Read the definitionRandom terms
Show more- Bruise A bruise or 'contusion' is an traumatic injury of the soft tissues which results in breakage of the local…
- Juvenile laryngeal papillomatosis Juvenile laryngeal papillomatosis involves the growth of numerous warty growths on the vocal cords in…
- Nude mice See: Nude mouse
- Stereotactic Stereotactic refers to precise positioning in three-dimensional space. For example, biopsies, surgery or…
- Disease, Takayasu See: Takayasu disease
- Stenotic Narrowed, as in a stenotic artery. From the Greek 'stenos' meaning narrow
- International AIDS Vaccine Initiative See: IAVI
- Beef tapeworm Taenia saginata, the most common of the big tapeworms that parasitizes people, contracted from infected raw…
- Optic cup The white, cup-like area in the center of the optic disc. The optic disk is the circular area at the back of…
- Cancer, breast, familial A number of factors have been identified that increase the risk of breast cancer. One of the strongest of…
- Primary dentition The set of 20 first (deciduous) teeth. The primary dentition is as opposed to the secondary (permanent)…
- Bannayan syndrome A genetic disease characterized by macrocephaly (enlarged head), multiple lipomas (benign fatty tumors) and…