MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Hair, exclamation point
Exclamation point hair is a key diagnostic finding in a disorder called alopecia areata. Alopecia areata is patchy baldness (alopecia means baldness and areata means occurring in patches) which typically begins with patchy hair loss on the…
Read the definitionRandom terms
Show more- Phenomenon, Babinski A neurologic reflex that constitutes an important medical examination based upon what the big toe does when…
- Schistosoma haematobium A species of trematode worm that parasitizes humans and causes urinary tract disease. See Schistosomiasis
- Mesenteric vein One of the large veins which return blood from the intestines. The inferior (lower) mesenteric vein empties…
- Dissection, radical neck See: Multiple sclerosis.
- Inhibitor, ACE See: ACE inhibitor
- NIDDK (Nat'l Institute of Diabetes and Kidney) And Kidney Diseases): One of the National Institutes of Health in the U.S., the NIDDK has a multisystem name…
- ACS (American College of Surgeons) The American College of Surgeons was formed in 1913 under the aegis of Dr. John Miller Turpin Finney 'to…
- Peritonitis, acute Sudden inflammation of the peritoneum, the membrane lining the inner wall of the abdomen and pelvis…
- Fructose A sugar that occurs naturally in fruits and honey. Fructose has 4 calories per gram
- Deafness with goiter Deafness with goiter: See Pendred syndrome
- Aesculapius That stick with the snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios), the…
- Nude mice See: Nude mouse