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).
Hemiplegia, alternating
See: Alternating hemiplegia of childhood
Read the definitionRandom terms
Show more- Nerve pathways, visual The optic nerves serving the eyes join behind the eyes just in front of the pituitary gland to form a…
- Vaccination, Td Td is the vaccine given to children over six and adults as boosters for immunity to diphtheria and tetanus.
- Hepatitis F It was formerly believed that a virus isolated from rare blood samples was able to cause hepatitis, and this…
- Medicare Part B The Medicare program that covers physician and outpatient services. Medicare is the United States…
- Tongue base See: Base of tongue
- Premature contraction of the heart When a single heartbeat occurs earlier than normal. This phenomenon can be within normal limits or represent…
- AOA Abbreviation for Alpha Omega Alpha, the medical honor society, the medical school equivalent of Phi Beta…
- Organic brain syndrome Psychiatric or neurological symptoms, including problems with attention, concentration, and memory…
- Syndrome, Menkes See: Menkes syndrome
- Tumescent Swelling; slightly tumid (swollen). For example, tumescent liposuction involves pumping a solution beneath…
- Knuckle The dorsal aspect of the flexed metacarpophalangeal joint. Knuckle may be shorter and simpler to say.
- Insertable loop recorder See: Patient-activated cardiac event recorder