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).
Braille system
A system of raised-dot writing devised by Louis Braille (1809-1852) for the blind in which each letter is represented as a raised pattern that can be read by touching with the fingers. The System: Each braille character or 'cell' is made…
Read the definitionRandom terms
Show more- Lymph gland See Lymph node
- Medulla oblongata The base of the brain, which is formed by the enlarged top of the spinal cord. This part of the brain…
- Aspartate aminotransferase (AST) Also known as serum glutamic oxaloacetic transaminase (SGOT), AST is an enzyme that is normally present in…
- Frontal lobe The part of each hemisphere of the brain located behind the forehead that serves to regulate and mediate the…
- Chromosome duplication Part of a chromosome in duplicate. A particular kind of mutation involving the production of one or more…
- Fear of blood An abnormal and persistent fear of blood. Sufferers of this very common phobia dread the sight of their own…
- Qi gong ('chee-GUNG') A component of traditional Chinese medicine that combines movement, meditation, and regulation…
- Leukocyte count A white blood cell (WBC) count.
- American Diabetes Association (ADA) The American Diabetes Association (ADA) provides the following introduction: 'The American Diabetes…
- GOLD-0 One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic…
- Lamella A thin leaf, plate, disk, wafer
- Myelitis, transverse A disease of the spinal cord in which there is demyelination (erosion of the myelin sheath that normally…