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).
Isometropia
The condition in which both eyes have equal refractive power. If, for example, one eye is myopic (nearsighted), so is the other. Or if one eye is hyperopic (farsighted), so is the other. Or both eyes may have normal refractive power. The…
Read the definitionRandom terms
Show more- Galenic arteriovenous malformation See: Vein of Galen aneurysm
- Cranial nerve, second The second cranial nerve is the optic nerve, the nerve that connects the eye to the brain and carries the…
- Comedones The plural of comedo, the primary sign of acne, consisting of a dilated (widened) hair follicle filled with…
- Triglycerides The major form of fat. A triglyceride consists of three molecules of fatty acid combined with a molecule of…
- Anti-citrulline antibody See: Citrulline antibody
- Nasal Having to do with the nose. Nasal drops are intended for the nose, not (for example) the eyes. The word…
- Lumpectomy The surgical removal of a small tumor (a lump) which may or may not be benign (or malignant). Lumpectomy has…
- Osteo- (prefix) Combining form meaning bone. From the Greek 'osteon', bone. Appears for instance in osteoarthritis…
- Prothrombin A coagulation (clotting) factor that is needed for the normal clotting of blood. A cascade of biochemical…
- Sub- Prefix meaning meaning under, below, less than normal, secondary, less than fully. As in subacute, subaortic…
- Myeloid Referring to the nonlymphocytic groups of white blood cells, including the granulocytes, monocytes and…
- Colposcopy Colposcopy: A procedure in which a gynecologist uses a lighted magnifying instrument which is called a…