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
Show more- Aortal Pertaining to the aorta, the largest artery in the body. Aortal is not often encountered (except in The New…
- Coprolalia The excessive and uncontrollable use of foul or obscene language, including words related to feces (bowel…
- Unresectable Unable to be removed (resected) by surgery. To resect is to remove. At the time of diagnosis of esophageal…
- Computerized axial tomography scan Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Muscular dystrophy, myotonic Myotonic dystrophy, an inherited disease in which the muscles contract but have decreasing power to relax --…
- Illusion A perception that occurs when a sensory stimulus is present but is incorrectly perceived and misinterpreted…
- Open cholecystectomy Cholecystectomy: Surgery in which the abdomen is opened to permit cholecystectomy -- removal of the…
- Vertebrae, cervical The cervical (neck) vertebrae are the upper 7 vertebrae in the spinal column (the vertebral column). They are…
- Partial seizure A seizure that affects only one part of the brain. Symptoms depend on which part is affected. One part of the…
- Protein C deficiency Protein C is a protein in plasma that enters into the cascade of biochemical events leading to the formation…
- Male condom The male condom is a sheath placed over the erect penis before penetration, preventing pregnancy by blocking…
- Human herpesvirus 3 See herpes zoster.