MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Hyperbilirubinemia type I
Better known as Gilbert's disease, a common but harmless genetic condition in which a liver enzyme essential to the disposal of bilirubin (the chemical that results from the normal breakdown of hemoglobin from red blood cells) is abnormal…
Read the definitionRandom terms
Show more- Lateral 1. In anatomy, the side of the body or a body part that is farther from the middle or center of the body…
- Segment, genomic A region of the genome; it encompasses objects described as loci or probes. Genomic segments can range in…
- Hematuria, gross Blood in the urine that can be seen with the naked eye. Hematuria may or may not be accompanied by pain, but…
- Nephrologist A medical specialist in nephrology (the study of the kidney or 'kidney-ology')
- Immunodeficiency Inability to mount a normal immune response. Immunodeficiency can be due to a genetic disease or acquired as…
- Iridology The practice of diagnosing disease by examining the iris of the eye. Although some diseases do affect the…
- Nef gene Short for negative factor gene, a gene the absence (or defect) of which diminishes the strength of a disease…
- Cystic periventricular leukomalacia Softening of the white matter near the ventricles of the brain resulting in abnormal cysts. Cystic…
- GSS Gerstmann-Straussler-Scheinker. See: Gerstmann-Straussler-Scheinker syndrome
- Plantar warts Warts: Warts that grow on the soles of the feet. Plantar warts are different from most other warts. They tend…
- Neurosteroid A brain steroid, a molecule structurally similar to cortisone, progesterone and the gonadal hormones…
- Skin tag Skin tag: A small tag of skin that may have a stalk (a peduncle). Skin tags may appear on the skin almost…