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).
Red cells
Short for red blood cells, the oxygen/carbon dioxide carrying cells in blood. Also known acronymically as RBC's, red corpuscles or erythrocytes (literally, red hollow vessels)
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Show more- Prophase chromosome A chromosome at the prophase stage in the cell cycle, before metaphase (when a chromosome is most highly…
- Plaque 1. An semi-hardened accumulation of substances from fluids that bathe an area. Examples include dental plaque…
- Reactive arthritis Reactive arthritis: A chronic form of arthritis featuring the following three conditions: (1) inflamed…
- Lb. The abbreviation for pound, the measure of weight, lb. (plural: lb. or lbs.) stands for 'libra' (Latin for…
- Hughlings Jackson, John (1835-1911) English physician who pioneered the development of neurology as a medical specialty during the…
- Temporal lobe The lobe of the cerebral hemisphere located down on the side just forward of the occipital lobe. The temporal…
- Knuckle The dorsal aspect of the flexed metacarpophalangeal joint. Knuckle may be shorter and simpler to say.
- Immunoglobulin A protein produced by plasma cells and lymphocytes and characteristic of these types of cells…
- Gastroesophageal reflux The return of stomach contents back up into the esophagus This frequently causes heartburn because of…
- Nat'l Center for Complementary & Alternative Med. Ne: Abbreviated NCCAM. A part of the National Institutes of Health (NIH), this center 'conducts and supports…
- ARD Acronym that stands for a disorder known as Adult Respiratory Distress or Acute Respiratory Distress. Also…
- CSF (cerebrospinal fluid) A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the brain…