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).
Alveolus
One of the tiny air sacs located at the very ends of the bronchioles within the lungs where the exchange of oxygen and carbon dioxide takes place. The alveolus looks like a cell in a honeycomb. The word comes from the Latin diminutive of…
Read the definitionRandom terms
Show more- Bee genome See: Honey bee genome
- Eosinophilia, familial See: Familial eosinophilia
- B(a)P Benzo(a)pyrene
- Hashimoto thyroiditis Thyroiditis: A progressive disease of the thyroid gland characterized by the presence of antibodies directed…
- Pucker, macular See: Macular pucker
- Sclerosis Localized hardening of skin
- Coma Coma: A state of deep unarousable unconsciousness. Coma may occur as the result of numerous causes including…
- Arteriosclerosis Hardening and thickening of the walls of the arteries. Arteriosclerosis can occur because of fatty deposits…
- Zenker's diverticulum See: Zenker diverticulum
- Bladder infection Infection of the urinary bladder. Some people are at more risk for bladder and other urinary tract infections…
- Ammonia A colorless gas with a very sharp odor. Made both by humans and by nature, ammonia dissolves easily in water…
- Xen- (prefix) Foreign or other. As in: > >Xenoantigen -- An antigen that is found in more than one species. >Xenograft -- A…