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).
Colorectal surgeon
A general surgeon who has had further training and is expert in the diagnosis and treatment of benign and malignant diseases of the colon, rectum, and anus
Read the definitionRandom terms
Show more- Pharmacologist A specialist in the study of medications and their effects on the body
- Ventricle, left The ventricles are the two lower chambers of the heart. The left ventricle is the chamber that receives blood…
- Flexion The process of bending or the state of being bent. Flexion of the fingers results in a clenched fist.
- Naegleria fowleri A protozoa that is a pathogenic free-living ameba. Infection with Naegleria fowleri causes primary amebic…
- Fever, Rocky Mountain spotted (RMSF) Fever, Rocky Mountain spotted (RMSF): An acute febrile (feverish) disease initially recognized in the Rocky…
- Medical directives, advance Advance directives preserve the person's right to accept or reject a course of medical treatment even after…
- Stachybotrys An antigenic green-black mold that grows on wood, paper and cotton products provided there is constant…
- Astigmatism Astigmatism: A common form of visual impairment in which part of an image is blurred, due to an irregularity…
- Patient-activated event recorder See: Patient-activated cardiac event recorder
- Ventricular fibrillation An abnormal irregular heart rhythm whereby there are very rapid uncoordinated fluttering contractions of the…
- Homosexuality Sexuality directed toward someone of the same sex
- Mitochondrial cytopathy, Kearns-Sayre type See: Kearns-Sayre syndrome