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).
Vaginitis, atrophic
Thinning of the lining (the endothelium) of the vagina due to decreased production of estrogen. This may occur with menopause. Vaginitis means inflammation of the vagina, the muscular canal extending from the cervix to the outside of the…
Read the definitionRandom terms
Show more- Premature systole See: Extrasystole
- Natural killer cell A cell that can react against and destroy another cell without prior sensitization to it. Natural killer (NK)…
- Biotin A water-soluble B-complex vitamin involved in carbon dioxide transfer and therefore essential to the…
- Porphyria A diverse group of diseases in which the production of heme is disrupted. Porphyria is derived from the Greek…
- Plumbism Another name for lead poisoning.
- Moniliasis, oral Yeast infection of the mouth and throat caused by a fungus formerly called Monilia, now known as Candida…
- Unassisted childbirth Birth of a baby without the assistance of an obstetrician, midwife, or other health professional. This may be…
- Keratitis, rosacea See: Rosacea keratitis
- Assay, CEA CEA (carcinoembryonic antigen) is a protein found in many types of cells but associated with tumors and the…
- Congenital achromatopsia, Pertaining to the conjunctiva, the clear moist membrane that covers the inner surfaces of the eyelids and the…
- Microphallus An abnormally small penis. Also called micropenis. In medical practice, the dimension of the penis that is…
- Celiac disease Celiac disease: A disorder resulting from an immune reaction to gluten, a protein found in wheat and related…