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.
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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).
Primary amyloidosis
Amyloidosis: A disorder of plasma cells (special white blood cells that produce antibodies), this is one of a group of diseases (called amyloidosis) in which protein deposits (amyloid) accumulate in one or more organ systems in the body…
Read the definitionRandom terms
Show more- Meatus, female urethral The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females…
- Torticollis, spasmodic Spasmodic torticollis, or torticollis, is the most common of the focal dystonias. In torticollis, the muscles…
- Mucolipidosis IV A type of mucolipidosis due to mutation in the gene encoding mucolipin-1. Most patients have developmental…
- Angiosarcoma A type of cancer that begins in the lining of blood vessels. This type of tumor tends to be aggressive, recur…
- Catheterization, venous The insertion of a tiny tube (a catheter) into a peripheral or central vein to deliver fluids or medication…
- Premature systole See: Extrasystole
- National Institute of Dental and Craniofacial Res. (NIDCR): One of the National Institutes of Health (NIH) in the U.S., the NIDCR is for dental and other…
- Mucopolysaccharidosis type IVB Morquio syndrome due to deficiency of the enzyme beta-galactosidase. See also Mucopolysaccharidosis
- Hepatitis C Hepatitis C: Inflammation of the liver due to the hepatitis C virus (HCV), which is usually spread by blood…
- T4 Thyroxine, a thyroid hormone. The number 4 is sometimes in subscript
- Dermatoglyphic Pertaining to dermatoglyphics -- the study of dermal ridges on the fingers, palms, toes, and soles
- Disease, occupational A disease due to a factor in a person's occupation. For example, lung disease in miners. Occupational…