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).
Colitis, ulcerative
A relatively common disease that causes inflammation of the large intestine (the colon). The cause is unknown. Ulcerative colitis is a form of inflammatory bowel disease. It has some similarity to a related disorder, Crohn's disease. The…
Read the definitionRandom terms
Show more- Motoneuron The term motoneuron is an elision of motor and neuron. See: Motor neuron
- Slanted ear An ear that is slanted more than usual. Technically, an ear is slanted when the angle of the slope of the…
- Angiitis See: Vasculitis
- Right heart The heart is composed functionally of two hearts - the right heart and the left heart. The right heart…
- Syndrome, Cornelia de Lange See: de Lange syndrome
- Vitamin P An old name for substances now known as bioflavinoids. They are no longer considered to be vitamins by the…
- Soft ulcer See: Chancroid
- Fluorescent treponemal antibody absorbed test A blood serum screening test for syphilis designed to demonstrate the presence or absence of specific…
- Anal papilla A skin tag that projects up from the junction between the skin and the inside lining of the anus. Anal…
- Radical dissection Removal of not only affected tissue, but also nearby tissue that may be covertly affected
- Oligonucleotide probe A short sequence of nucleotides synthesized to match a region where a mutation is known to occur and then…
- Urethral opening, female The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females…