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).
Fever, Southeast Asian hemorrhagic
A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage (bleeding) and circulatory collapse (shock). Known also as dengue hemorrhagic fever (DHF), it starts abruptly with high…
Read the definitionRandom terms
Show more- Stone, kidney Kidney stone: A stone in the kidney (or lower down in the urinary tract). Kidney stones are a common cause of…
- Tolerance A state in which a T cell can no longer respond to antigen. The T cell 'tolerates' the antigen. Also called…
- Brain swelling See: Cerebral edema
- Calipers A metal or plastic tool similar to a compass used to measure the diameter of an object. The skin fold…
- Mania, mixed See: Mixed mania
- Glossopharyngeal nerve The glossopharyngeal nerve is the ninth cranial nerve. The 12 cranial nerves, the glossopharyngeal nerve…
- Laparoscopic cholecystectomy Cholecystectomy: Rem of the gallbladder (cholecystectomy) by laparoscopy. Laparoscopic cholecystectomy is…
- Hypohidrosis Subnormal sweating, less sweating than usual. Hidrosis meaning sweating, so hypohidrosis is literally…
- Contraction, premature See: Extrasystole
- Thyroid storm Thyroid storm is a severe, life-threatening condition caused by an excess of thyroid hormone. A number of…
- Farsightedness Farsightedness: Medically termed hyperopia; the ability to see distant objects more clearly than close…
- Immunization, infectious hepatitis See Immunization, hepatitis A