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).
Octogenarian
Someone in his or her eighties, that is, between 80 and 89 years of age. See also: Age by decade
Read the definitionRandom terms
Show more- Gonorrhea A sexually transmitted infection (STI) caused by the bacterium Neisseria gonorrhoea. Although gonorrhea is…
- Neuropathy, accessory See: Accessory neuropathy
- Fear of cold An abnormal and persistent fear of cold, including cold weather and cold objects. Sufferers of this fear…
- Avuncular 1. Literally, relating to an uncle. 2. Figuratively, suggestive of an uncle, as in geniality. 3 In medical…
- Prosthesis, auditory See: Auditory prosthesis
- Cancer, lung Cancer of the major organ of respiration - the lung. Lung cancer kills more men and women than any other form…
- Ectodermosis erosiva pluriorificialis See: Stevens-Johnson syndrome.
- Great saphenous vein The larger of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Retinitis pigmentosa Any one of a large group of inherited disorders in which abnormalities of the photoreceptors (the rods and…
- Dysphonia, spastic See: Spasmodic dysphonia
- Epithelial basement corneal dystrophy A disorder in which the cornea (the normally clear front window of the eye) shows grayish fingerprint lines…
- Systems biology The study of biological systems taking into account the interactions of the key elements such as DNA, RNA…