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).
Disease, cystine transport
Commonly known as cystinuria, this is an inherited (genetic) disorder of the transport of an amino acid (a building block of protein) called cystine resulting in an excess of cystine in the urine (cystinuria) and the formation of cystine…
Read the definitionRandom terms
Show more- Ossicle Any small bone, such as the tiny bones within the human ear
- Ocean itch An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- MAO inhibitor Monoamine oxidase inhibitor. One of a potent class of medications used to treat depression.
- Immunization, infectious hepatitis See Immunization, hepatitis A
- PEF Peak expiratory flow
- MCL (medial collateral ligament) of the knee The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- VAD Ventricular assist device, a mechanical pump that takes over the function of the damaged ventricle of the…
- Lyme disease Lyme disease: Lyme disease is a bacterial illness caused by a bacterium called a 'spirochete.' Lyme disease…
- Klebsiella A group of bacteria normally living in the intestinal tract and frequently the cause of nosocomial infections…
- Lymphoid tissue A part of the body's immune system that helps protect it from bacteria and other foreign entities. Lymphoid…
- Syndrome, autoimmune polyendocrinopathy A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- IM (intramuscular) An IM medication is given by needle into the muscle. This is as opposed to a medication that is given by a…