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.
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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).
Polyarteritis nodosa
Polyarteritis nodosa: An autoimmune disease (immune system attacking its own body) characterized by spontaneous inflammation of the arteries (arteritis) of the body. Because arteries are involved, the disease can affect any organ of the…
Read the definitionRandom terms
Show more- Umami The taste of substances such as glutamate and monosodium glutamate (MSG) that are found in foods like…
- Perineal Of or relating to the perineum
- Campylobacteriosis Disease caused by Campylobacter jejuni, now the leading cause of bacterial food poisoning, most often spread…
- Deuteranomaly Colorblindness of the red-green type, also known as deuteranopia or Daltonism. The term 'Daltonism' is…
- FAS See: Fetal alcohol syndrome diagnosis.
- Transcription factor A protein that controls when genes are switched on or off -- whether genes are transcribed or not…
- Bone, calf Familiar name for the fibula, the lateral (outside) and smaller of the two long bones in the lower leg. The…
- Coitus interruptus A method of contraception, also called withdrawal, in which the man withdraws his penis from the vagina…
- Fear of the dark Pathological fear of the dark, an abnormal and persistent dread of the dark. Sufferers experience undue…
- Sternum Anatomic name for the breast bone, the long flat bone in the upper middle of the front of the chest. The…
- Endothelium A layer of flat cells lining the closed internal spaces of the body such as the inside of blood vessels and…
- ANUG (acute necrotizing ulcerative gingivitis) This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…