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).
Hydranencephaly
A condition in which the cerebral hemispheres of the brain are absent and replaced by sacs filled with cerebrospinal fluid. Usually the cerebellum and brainstem are formed normally. An infant with hydranencephaly may appear normal at…
Read the definitionRandom terms
Show more- BIA Bioelectric impedance analysis
- Sweat chloride test Sweat chloride test: A test for cystic fibrosis. See: Sweat test.
- Stool occult blood test A test to see whether there is blood in the bowel movement. Also called a fecal occult blood test: A test to…
- Th1 A distinct type of T-helper cell. See: T-helper cell
- Wymin An alternate spelling of wimmin
- Myeloperoxidase An enzyme in leukocytes (white blood cells) that is linked to inflammation and cardiovascular disease. An…
- KSS Kearns-Sayre syndrome
- Somnambulist Sleep talking. Talking in one's sleep is considered a normal phenomenon that is of no medical or…
- Rotator cuff disease Rotator cuff disease: Damage to the rotator cuff, a group of four tendons that stabilize the shoulder joint…
- Hepatitis, infectious See Hepatitis A
- Adverse drug event See: Adverse reaction
- T (thymine) In genetics, T stands for thymine, one member of the A-T (adenine-thymine) base pair in DNA. The other base…