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.
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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).
Ameba
Also amoeba. A single-celled (protozoan) organism that constantly changes shape. The word 'ameba' is from the Greek 'amoibe' meaning 'change.' Ameba can infect the bowels to cause diarrhea and the liver to cause abscess formation.
Read the definitionRandom terms
Show more- African American An American of black African descent. The term may also be written with a hyphen as African-American. The…
- Scleritis Inflammation of the sclera, the tough white outer coat of the eyeball. Classic scleritis affects the sclera…
- Dipeptide A peptide consisting of two amino acids
- Mongolism Obsolete name for Down syndrome. Down syndrome refers to the 19th century English physician J. Langdon Down…
- Drop seizure See: Atonic seizure
- Hypochondriasis The belief and fear of serious illness which lasts for six months, beyond and despite medical reassurance…
- Pharmacogenetics The merger of pharmacology and genetics into a field that pertains to the hereditary responses to drugs. For…
- Congenital neutropenia, severe (SCN) Neutropenia, severe (SCN): Children born with this condition lack neutrophils (a type of white blood cell…
- Leukocytes Cells that help the body fight infections and other diseases. Also called white blood cells (WBCs).
- MRI, endorectal An MRI (magnetic resonance imaging) done from inside the rectum. To do such as MRI, a surface coil within an…
- Itch, jellyfish An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Genome, Haemophilus influenzae See: H. flu genome