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).
Immunodeficiency
Inability to mount a normal immune response. Immunodeficiency can be due to a genetic disease or acquired as in AIDS due to HIV
Read the definitionRandom terms
Show more- Kala-azar A chronic and potentially fatal parasitic disease of the viscera (the internal organs, particularly the…
- Mitochondrial inheritance The inheritance of a trait encoded in the mitochondrial genome. Because of the oddities of mitochondria…
- Cerebral aneurysm A localized widening of a vessel within the brain. See: Berry aneurysm
- Insulin resistance Insulin resistance: The diminished ability of cells to respond to the action of insulin in transporting…
- Duane retraction syndrome See: Duane syndrome
- Acrocephalosyndactyly An inherited disorder causing abnormalities of the skull and face and the hands and feet. In…
- Chromosome, X See: Chronic myelogenous leukemia.
- Osgood-Schlatter disease Osgood-Schlatter disease: A condition involving inflammation and sometimes tearing of ligaments within the…
- Loiasis The disease caused by the eye worm known as loa loa, a parasite that lives in humans and other primates…
- Folding motif An independent folding unit, or particular structure, that recurs in many molecules
- Ipecac A naturally occurring substance with multiple properties including the ability to cause vomiting (emesis)…
- Child urine infection See: Urinary tract infection in children