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).
Randomly
In a random manner, as by chance alone. The participants in the trial were randomly assigned to receive aspirin or a placebo
Read the definitionRandom terms
Show more- Operon A set of genes transcribed under the control of an operator gene. More specifically, an operon is a segment…
- Ichthyosis-keratitis-deafness syndrome See Keratitis-ichthyosis-deafness syndrome
- Cauda equina syndrome Impairment of the nerves in the cauda equina, the bundle of spinal nerve roots that arise from the lower end…
- Sydenham's chorea See: Sydenham chorea
- Nerve cell See: Neuron
- Biological chemistry Another name for biochemistry -- the study of the chemistry of living cells, tissues, organs and organisms…
- Venous claudication Limping and/or pain due to inadequate venous drainage, poor return of blood by the veins, from the legs
- Syndromic Part of a syndrome. Hearing loss, for instance, can be syndromic or nonsyndromic
- Keloid Keloid: A scar that doesn't know when to stop. When the skin is injured, cells grow back to fill in the gap…
- Alkaloid, vinca See: Vinca alkaloid
- Acidophilus Bacteria found in yogurt that can help restore a supportive bacterial environment to an intestinal tract…
- Intracranial hematoma A hematoma (a collection of blood) within the cranium (skull). The bleed may or may not be within the brain…