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).
Extracolonic
Outside the colon. An hereditary colon cancer syndrome may also predispose to extracolonic malignancies
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Show more- Lifetime risk The risk of developing a disease during ones lifetime or dying of the disease. The estimated lifetime risk of…
- AC Abbreviation for a.c. (ante cibum on a prescription); acromioclavicular (shoulder joint); antecubital (crook…
- Myeloproliferative Referring to the proliferation of the bone marrow cells that give rise to red blood cells, granulocytes (a…
- Cyst A cyst is an abnormal, closed sac-like structure within a tissue that contains a liquid, gaseous, or…
- CBC A commonly used abbreviation in medicine that stands for complete blood count, a set values of the cellular…
- Brainstem The lowest part of the brain which merges with the spinal cord and provides the major route by which the…
- Meningioma A common type of slow growing, usually benign brain tumor that arises from the dura, one of the meninges, the…
- Aphagia Inability to eat. From the Greek prefix 'a-' meaning 'not' + 'phago' meaning 'to eat' + not to eat.
- Asian flu A pandemic of influenza A (H2N2) in 1957-58. First identified in China in late February 1957, the Asian flu…
- Nostradamus Celebrated French physician and astrologer (1503-1566), born Michel de Notredame. Nostradamus studied…
- Acute myelogenous leukemia Acute myelogenous leukemia: Abbreviated AML. Also called acute myeloid leukemia or acute nonlymphocytic…
- Knuckle The dorsal aspect of the flexed metacarpophalangeal joint. Knuckle may be shorter and simpler to say.