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).
Nodding syndrome
A mysterious disease of children that causes seizures, growth retardation (stunted growth), mental retardation and often, but not invariably, death. Some children with the syndrome appear to recover. Head nodding while eating is the first…
Read the definitionRandom terms
Show more- Volume, stroke Stroke: The amount of blood pumped by the left ventricle of the heart in one contraction. The stroke volume…
- Hyponatremia An abnormally low concentration of sodium in the blood. Too little sodium can cause cells to malfunction, and…
- CALLA Common acute lymphocytic leukemia antigen. See: Metallomembrane endopeptidase
- Cast 1) A protective shell of plaster and bandage molded to protect a broken or fractured limb as it heals. 2) An…
- Andrology The branch of medicine concerned with men's health, particularly male infertility and sexual dysfunction…
- UROD deficiency Lack of the enzyme uroporphyrinogen decarboxylase (UROD) which is the basic cause of porphyria cutanea tarda…
- Beta blocker A class of drugs that block beta-adrenergic substances such as adrenaline (epinephrine) in the 'sympathetic'…
- Necrosis The death of living cells or tissues. Necrosis can be due, for example, to ischemia (lack of blood flow)…
- Disease names See: Disease nomenclature
- Frostbite Frostbite: Damage to tissues from freezing due to the formation of ice crystals within cells, rupturing the…
- Avulse To separate or tear away a body part, as from an accident or surgery. While playing football, he avulsed a…
- Science, cognitive Cognitive science is the study of the mind. It is an interdisciplinary science that draws upon many fields…