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).
Common acute lymphocytic leukemia antigen
(CALLA) A cell surface enzyme with neutral metalloendopeptidase activity that serves as a marker for the common form of ALL (acute lymphocytic leukemia) as well as for Burkitt lymphoma and follicular germinal center lymphoma. CALLA is…
Read the definitionRandom terms
Show more- Thoracic aorta The thoracic aorta is a section of the aorta, the largest artery in the body, within the chest. Specifically…
- Ciliary neuralgia A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Locus The place, in Latin.. In genetics, a locus is the place a gene occupies on a chromosome. One locus, two loci
- Methemoglobinemia The presence in the blood of methemoglobin, a form of hemoglobin that is useless for carrying oxygen and…
- Test, triglyceride Triglycerides are the major form of fat. Triglycerides come from the food we eat and are produced by the…
- NASH Nonalcoholic steatohepatitis
- Study, crossover A type of clinical trial in which the study subjects receive each treatment in a random order. In this type…
- Nonsyndromic deafness Hearing loss which is not part of a syndrome. Deafness with no related signs and symptoms affecting other…
- Nephrolithiasis The process of forming a kidney stone, a stone in the kidney (or lower down in the urinary tract). Kidney…
- Presbyacusis See: Presbycusis
- Entamoeba histolytica The agent of amebic dysentery, a disorder with inflammation of the intestine and ulceration of the colon…
- Acid reflux A common condition and an abnormal one in which acid in the stomach rises up into the esophagus. This occurs…