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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Osteogenesis imperfecta
Brittle bone disease. Osteogenesis imperfecta (OI) is not one but a group of genetic diseases, all of which affect collagen in connective tissue in the body and all of which result in fragile bones. The best known types are types I and II
Read the definitionRandom terms
Show more- Drug resistance The ability of bacteria and other microorganisms to withstand a drug to which they were once sensitive and…
- Vertebral column The 33 vertebrae fit together to form a flexible, yet extraordinarily tough, column that serves to support…
- Disease, Niemann-Pick See: Niemann-Pick disease
- Minor A minor is someone who is not yet an adult and, in a larger sense, it is something that is less than…
- FAS gene A gene that encodes one of several proteins important to apoptosis, the normal process through which cells…
- Nodule A small solid collection of tissue, a nodule is palpable (can be felt). It may range in size from greater…
- Psoralen Any of a number of drugs and other substances containing chemicals that react with ultraviolet (UV) light to…
- Soft palate The muscular part of the roof of the mouth. The soft palate is directly behind the hard palate. It lacks bone…
- Zhitai One of the three major preparations of red yeast rice, a tradition Chinese medicine now used to lower…
- Sulfite sensitivity Adverse reactions of an allergic nature to sulfites. Sulfites occur in fermentation and also occur naturally…
- Antidepressant >citalopram (Celexa, Cipramil) >escitalopram oxalate (Cipralex, Lexapro) >fluvoxamine maleate (Luvox)…
- Abrin A phytotoxin (plant poison) found in the seeds of a plant called the rosary pea or jequirity pea. These seeds…