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).
Immunoglobulin G
Abbreviated IgG. A major class of immunoglobulins found in the blood, including many of the most common antibodies circulating in the blood. Also known as gamma globulin
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Show more- Atherosclerotic aneurysm The most common type of aneurysm, affecting the abdominal portion of the aorta and other large arteries…
- LL 1. Lower lid (of the eye). 2. Lower limit. The recommended LL for potassium intake is 4.7 grams per day for…
- Xanthine A substance found in caffeine, theobromine, and theophylline and encountered in tea, coffee, and the colas…
- PTSD Post-traumatic stress disorder. (The abbreviation PTSD has rapidly gained in popularity because saying…
- Preclinical study A study to test a drug, procedure or other medical treatment in animals. The aim is to collect data in…
- Infiltrate To penetrate. If an IV infiltrates, the IV fluid penetrates the surrounding tissue.
- Alveolar Pertaining to the alveoli, the tiny air sacs in the lungs. The exchange of oxygen and carbon dioxide takes…
- Laminaria A small rod-shaped piece of dried seaweed; when placed within the cervix, a laminaria causes it to gradually…
- SSRI A flowering plant, Hypericum perforatum, also known as Perforate St John's wort, that has long been believed…
- Keratodermia blennorrhagicum Pertaining to keratolysis, the softening and shedding of the horny outer layer of the skin. A keratolytic…
- Evertor A muscle that turns a part toward the outside. To evert is to turn outward or turn inside out. From the Latin…
- Oligodendroglioma A rare slow-growing type of brain tumor that begins in cells called oligodendrocytes, which provide support…