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).
Microchimerism
The presence of two genetically distinct and separately derived populations of cells, one population being at a low concentration, in the same individual or an organ such as the bone marrow. Microchimerism may be due to transfer of cells…
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Show more- Small saphenous vein The smaller of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Avery, Oswald Theodore (1877-1955) Distinguished Canadian-American bacteriologist and research physician and one of the founders of…
- Thymine (T) One member of the base pair A-T (adenine-thymine) in DNA.
- Tympany A hollow drum-like sound produced when a gas-containing cavity is tapped sharply. Tympany is heard if the…
- Disorder, attention deficit (ADD) An inability to control behavior due to difficulty in processing neural stimuli. In November, 1998 the…
- KUB film An X-ray showing the kidney, ureter, and bladder. This is in reality a plain abdominal X-ray and includes…
- Microbe A very tiny form of life -- microbes include bacteria, fungi, and protozoan parasites -- best visualized…
- Blood poisoning The medical term is 'septicemia.' No matter which of these two terms-blood poisoning or septicemia-you…
- Co-stimulation An event in the immune system involving the delivery of a second signal by an antigen-presenting cell. The…
- Cystatin 3 See: Cystatin C
- Black henna A tattoo ink and paste consisting of henna with other ingredients added, sometimes including…
- Fever, hemorrhagic A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…