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).
Rectal cancer
Cancer: A malignant tumor arising from the inner wall of the final part of the large intestine -- the rectum. Although colon cancer and rectal cancer share many features, there are important differences between these two diseases…
Read the definitionRandom terms
Show more- Lipodystrophy syndrome A disturbance of lipid (fat) metabolism that involves the partial or total absence of fat and often the…
- Hodgkin, Dorothy British crystallographer and Nobel Prize winner (1910-1994). Dorothy Crowfoot, as she was born, was educated…
- Myasthenia gravis Prefix that denotes a relationship to fungus. From the Greek mykes, meaning fungus.
- Jenner's method The production of immunity to a disease by inoculation of an attenuated form of the virus causing the…
- Psychotherapy Psychotherapy: The treatment of a behavior disorder, mental illness, or any other condition by psychological…
- Retic count Short for reticulocyte count
- Acoustic neurofibromatosis See: Neurofibromatosis type 2
- Entomology, medical See: Medical entomology
- Cal See: Calorie
- Avian influenza Also called fowl plague, avian flu, and bird flu. A highly contagious viral disease with up to 100% mortality…
- Orifice An opening. The mouth for example is an orifice.
- OPV Oral polio vaccine. See Polio vaccine, oral