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.
- 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).
Rheumatoid spondylitis
See: Ankylosing spondylitis
Read the definitionRandom terms
Show more- Mad deer disease See Chronic wasting disease
- Founder effect The positive effect on gene frequency when a population (a colony) has only a small number of original…
- Atrophy Wasting away or diminution. Muscle atrophy is wasting of muscle, decrease in muscle mass. A nerve can also…
- Pollex The thumb. Pollex is derived from the Latin pollere, to be strong, because in a contest of strength the thumb…
- Granulocytopenia A marked decrease in the number of granulocytes. Granulocytes are a type of white blood cell filled with…
- Anticoagulant Any agent used to prevent the formation of blood clots. Anticoagulants have various uses. Some are used for…
- Nucleus, caudate See: Caudate nucleus
- Diagnosis 1 The nature of a disease; the identification of an illness. 2 A conclusion or decision reached by diagnosis…
- Esophageal ulcer A hole in the lining of the esophagus corroded by the acidic digestive juices secreted by the stomach cells…
- Onycho- (prefix) Pertaining to the nails. Examples of medical terms involving 'onycho-' include onychodystrophy (abnormal…
- Syndrome, Apert (acrocephalosyndactyly) An inherited disorder with abnormalities of the skull and face and the hands and feet. There is premature…
- Launois-Bensaude syndrome A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper…