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).
Retinitis pigmentosa
Any one of a large group of inherited disorders in which abnormalities of the photoreceptors (the rods and cones) in the retina lead to progressive visual loss. People with retinitis pigmentosa (RP) first experience defective dark…
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Show more- Prognosis 1. The expected course of a disease.2. The patient's chance of recovery. The prognosis predicts the outcome…
- Innervate To supply with nerves. It is a little known fact that the cornea is the most densely innervated tissue in the…
- Vinca alkaloid A medication in a class of anticancer drugs that inhibit cancer cell growth by stopping cell division…
- Pelizaeus-Merzbacher disease A disease that is virtually identical to Pelizaeus-Merzbacher disease (PMD) but without a mutation in the…
- Auditory tube The tube that runs from the middle ear to the pharynx, also known as the Eustachian tube. The function of…
- Microphallus An abnormally small penis. Also called micropenis. In medical practice, the dimension of the penis that is…
- GSS Gerstmann-Straussler-Scheinker. See: Gerstmann-Straussler-Scheinker syndrome
- Amblyopia, nocturnal Amblyopia refers to blindness so nocturnal amblyopia is, literally, night blindness. Listed in medical…
- Hirsutism Having an overabundance of hair. A person with hirsutism is said to be hirsute (pronounced hir-suit)…
- Elbow joint Three long bones meet in the middle portion of the arm at the elbow joint. The bone of the upper arm…
- Disruption sequence The events that occur when a fetus that is developing normally is subjected to a destructive agent such as…
- Triage The process of sorting people based on their need for immediate medical treatment as compared to their chance…