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).
Antibiotic resistance
Antibiotic resistance: The ability of bacteria and other microorganisms to withstand an antibiotic to which they were once sensitive (and were once stalled or killed outright). Also called drug resistance.
Read the definitionRandom terms
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- Peliosis hepatis A rare condition in which the liver contains multiple, randomly-distributed blood-filled spaces or cavities…
- Generic name, drug >The chemical name of a drug. >A term referring to the chemical makeup of a drug rather than to the…
- Graft Healthy skin, bone, or other tissue taken from one part of the body to replace diseased or injured tissue…
- RT 1. Respiratory therapist.2. Radiation therapy.3. Reverse transcriptase
- Sting, insect Stings from large stinging insects such as yellow jackets, bees, hornets and wasps can trigger allergic…
- Sleep-disordered breathing A condition characterized by repeated episodes of hypopnea (underbreathing) and apnea (not breathing) during…
- Bundling A term employed by the FDA (the US Food & Drug Administration) that refers to the inclusion of multiple…
- Accessory dwelling unit (ADU) A separate housing arrangement within a single-family home. The ADU is defined by Medicare as a…
- Body mass index A key index for relating a person's body weight to their height. The body mass index (BMI) is a person's…
- Aspartic acid An amino acid, one of the 20 building blocks of protein. A amino acid that is not essential to the human…
- Labial herpes Herpes: A small sore situated on the face or in the mouth that causes pain, burning, or itching before…