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).
Probiotic
A microbe that protects its host and prevents disease. The best-known probiotic is Lactobacillus acidophilus, which is found in yogurt, acidophilus milk, and supplements. Probiotics counter the decimation of helpful intestinal bacteria by…
Read the definitionRandom terms
Show more- Hedonophobia An abnormal, excessive, and persistent fear of pleasure. Sufferers with this most puritanical of phobias…
- Inhibitor, protease An agent that can keep a protease from working and splitting a protein into peptides. Protease inhibitors are…
- PUVA PUVA stands for psoralen (P) and ultraviolet A (UVA) therapy in which the patient is exposed first to…
- Selenium An essential trace mineral that functions largely in the form of proteins, called selenoproteins, which act…
- Lead-based paint Paint or other surface coatings that, by definition, contain lead in excess of 1.0 milligrams per square…
- Benzidine A compound used mainly for dyeing textiles and paper that is a known human carcinogen (cancer-causing agent)…
- Sore, cold A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Type 1 diabetes See Diabetes, type 1
- Sickle cell disease A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…
- Biopsy The removal of a sample of tissue for purposes of diagnosis. (Many definitions of 'biopsy' stipulate that the…
- Bursopathy Disease involving a bursa, a closed fluid-filled sac that supplies a gliding surface to reduce friction…
- Gerstmann-Straussler syndrome See: Gerstmann-Straussler-Scheinker syndrome