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).
Spiral CAT scan
A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines many x-ray images with the aid of a computer to generate cross-sectional views and, if needed, three-dimensional images of the…
Read the definitionRandom terms
Show more- Assistive technology This term may be used to mean an assistive device, but more commonly denotes some kind of electronic or…
- IL-1 Interleukin-1
- Mutation, null A mutation (a change) in a gene that leads to its not being transcribed into RNA and/or translated into a…
- Hemihyperhidrosis Hyperhidrosis (excess sweating) confined to one side of the body. Hemihyperhidrosis may occur after a stroke
- HNPCC Hereditary nonpolyposis colon cancer
- Internist A physician who specializes in the diagnosis and medical treatment of adults. This specialty, called internal…
- End stage The last phase in the course of a progressive disease. As in end-stage liver disease, end-stage lung disease…
- Med school Short informal term for medical school. (Medical schools are not often called med schools by medical…
- Human herpesvirus 5 See cytomegalovirus.
- Virus, human lymphotropic, type III Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human…
- Calcium excess Overly high intake of calcium that can result in elevated levels of calcium in the blood (hypercalcemia)…
- HHV-1 Human herpesvirus 1. A herpes virus that causes cold sores and fever blisters in and around the mouth. Here…