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).
Steroid abuse
Steroid abuse: Use of substances containing anabolic steroids to increase muscle mass. Such steroids can have many side effects when misused, including psychiatric problems, liver tumors, reduction in the size of the male genitals and…
Read the definitionRandom terms
Show more- Varicella immunization See Chickenpox immunization
- Ear bones The malleus, incus, and stapes
- Munchausen syndrome (This is an alternate entry to Munchhausen syndrome with two h's in Munchhausen. Whole medical reports have…
- Vomiting of pregnancy, pernicious Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…
- Behcet's syndrome Behcet's syndrome: A chronic inflammatory disorder involving the small blood vessels which is characterized…
- Mononeuropathy A disorder of a single nerve or nerve trunk. Mononeuropathies may be due to entrapment, compression, stretch…
- Midwife, traditional See: Traditional midwife
- Slow-wave sleep Sleep: Stage 3 and 4 non-rapid eye movement (non-REM) sleep. Slow-wave sleep is characterized by brain wave…
- Agranulocytosis A marked decrease in the number of granulocytes. Granulocytes are a type of white blood cell filled with…
- Angioplasty Procedure with a balloon-tipped catheter to enlarge a narrowing in a coronary artery. Also called…
- Mucopolysaccharidosis type VIII DiFerrante syndrome, due to deficiency of the enzyme glucosamine-6-sulfate. See also Mucopolysaccharidosis.
- Aldose reductase inhibitor A class of drugs used to prevent eye and nerve damage in diabetes. Aldose reductase is an enzyme that is…