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).
Stain, Gram
The Danish bacteriologist J.M.C. Gram (1853- 1938) devised a method of staining bacteria using a dye called crystal (gentian) violet. Gram's method helps distinguish between different types of bacteria. The gram-staining characteristics of…
Read the definitionRandom terms
Show more- Auditory prosthesis A device that enhances the ability to hear or substitutes for it. More commonly called a hearing aid. See…
- Cerebritis Inflammation of the brain
- Immunodeficiency Inability to mount a normal immune response. Immunodeficiency can be due to a genetic disease or acquired as…
- AQP Aquaporin
- Child neglect Child neglect is the most frequently reported form of child abuse (60% of all cases) and the most lethal…
- Floppy valve syndrome See: Mitral valve prolapse
- Alkalosis A dangerous decrease in the normal acidity of the blood. There is too much base in the blood and body. This…
- Synuclein A family of structurally related proteins that are prominently expressed in the central nervous system. See…
- BMI calculation The British Medical Journal. The BMJ states that it "aims to help doctors everywhere practice better medicine…
- First and second branchial arch syndrome The olfactory nerve, the nerve that permits the sense of smell. See: Olfactory nerve.
- Osteoclasia Destruction and reabsorption of bone tissue, as occurs when broken bones heal
- American College of Surgeons (ACS) The American College of Surgeons (ACS) was formed in 1913 under the aegis of Dr. John Miller Turpin Finney…