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).
Vitamin A deficiency
Deficiency of niacin, one of the B-complex vitamins, causes pellagra. See: Pellagra.
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- Immunoglobulin G Abbreviated IgG. A major class of immunoglobulins found in the blood, including many of the most common…
- Whooping cough Also known as pertussis, this is a feared infectious disease that can strike the respiratory system and…
- Gram-positive Gram-positive bacteria retain the color of the crystal violet stain in the Gram stain. This is characteristic…
- Irwin DJ Bross See: Bross, Irwin DJ
- Little People of America An organization for people of short stature whose mission is to assist dwarfs with their physical and…
- Thyrotropin A hormone produced by the pituitary gland at the base of the brain in response to signals from the…
- Scrotum A pouch of skin which contains the testes, epididymides, and lower portions of the spermatic cords.
- Receptor, chemokine Receptor, chemokine: A molecule that receives a chemokine and a chemokine dock. A chemokine is a protein that…
- Torticollis The most common of the focal dystonias, torticollis is a state of excessive of inadequate muscle tone in the…
- Syndrome, tetraphocomelia-thrombocytopenia See Syndrome, TAR.