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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Mordant
A substance capable of deepening the reaction to a stain (as in the pathology laboratory); incisive; burning or pungent; and so, by extension, biting and caustic in thought, manner, or style. The word 'mordant' has some bite to it since it…
Read the definitionRandom terms
Show more- Aortic aneurysm An outpouching (a local widening) of the largest artery in the body, the aorta, involving that vessel in its…
- Saphenous vein, great The larger of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Juvenile hyaline fibromatosis A genetic disorder characterized by multiple subcutaneous nodules and gingival hypertrophy (overgrowth of the…
- Hypoglycemic Relating to hypoglycemia, an abnormally low level of the sugar glucose in the blood, usually a complication…
- Symphysiotomy A surgical procedure to effect an immediate dramatic increase in the size of the pelvic outlet to permit…
- Cancer, rectal See: Rectal cancer
- ALPS Autoimmune lymphoproliferative syndrome
- Bloody nose The nose is a part of the body that is very rich in blood vessels (vascular) and is situated in a vulnerable…
- Fibrillation, atrial An abnormal irregular heart rhythm whereby electrical signals are generated chaotically throughout the upper…
- Robo Street name for the cough syrup Robitussin which contains dextromethorphan (DXM)
- Sociogenomics The identification of the genes that influence social behavior, the understanding of the influence of these…
- Aquaphobia An abnormal and persistent fear of water. Sufferers from aquaphobia experience anxiety even though they…