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).
Oxygen mask
A mask that covers the mouth and nose, and is hooked up to an oxygen tank. It delivers oxygen directly to the patient. Oxygen can also be delivered directly through a nasal catheter, a tube that divides into two smaller tubes that go into…
Read the definitionRandom terms
Show more- Cord, vocal See: Vocal cord
- False vocal cord A fold of mucous membrane covering muscle in the larynx. The false vocal cord separates the ventricle of the…
- Disease, His Named for the Swiss physician Wilhelm His, Jr. (who also described the bundle of His in the heart), this is a…
- Telomerase An enzyme concerned with the formation, maintenance, and renovation of telomeres, the ends of chromosomes…
- TMJ Tempero-mandibular joint, the joint that hinges the lower jaw (mandible) to the skull.
- Chronic lymphocytic leukemia See: Juvenile myelomonocytic leukemia.
- Fire, St. Anthony's The intensely painful burning sensation in the limbs and extremities caused by ergot, the consequence of a…
- Pernicious anemia Pernicious anemia: A blood disorder caused by inadequate vitamin B12 in the blood. Patients who have this…
- PH, urine See: Urine pH
- Toes, six The presence of an extra sixth toe, a very common congenital malformation (birth defect This is called…
- Primary care provider In insurance parlance, a physician chosen by or assigned to a patient, who both provides primary care and…
- Parkinsonism 1. Parkinson disease. 2. A syndrome similar to Parkinson disease, for example, as a side effect of an…