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).
Mycobacterium tuberculosis
The bacterium that causes tuberculosis. M. tuberculosis has unusually waxy walls, is slow-growing and among the most recalcitrant bacteria to treatment. The complete genome sequence of M. tuberculosis was published in 1998 revealing…
Read the definitionRandom terms
Show more- Calorie A unit of food energy. In nutrition terms, the word calorie is used instead of the more precise scientific…
- Stool The solid matter discharged in a bowel movement
- Thiamine deficiency, infantile See: Infantile beriberi
- 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…
- Marker gene A detectable genetic trait or segment of DNA that can be identified and tracked. A marker gene can serve as a…
- Culdoscopy The introduction of a viewing tube (called an endoscope or culdoscope) through the end of the vagina into the…
- Category 2 storm See: Category two hurricane
- Spina bifida occulta A bony defect in the vertebral column that causes a cleft in that column. The cleft remains covered by skin…
- Gynecologist A doctor who specializes in treating diseases of the female reproductive organs. The word 'gynecologist'…
- Hem-onc Short for Hematology-oncology
- Brain ventricle >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres. Each lateral ventricle consists…
- Acne, adult Popular name for rosacea. For more information, see: Rosacea