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).
CT scan
CT scan: Computerized tomography scan. Pictures of structures within the body created by a computer that takes the data from multiple X-ray images and turns them into pictures on a screen. CT stands for computerized tomography. The CT scan…
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Show more- Lymphangioleiomyomatosis A structure consisting of a collection of blood vessels and lymph vessels that are overgrown and clumped…
- Catatonic 1. Characterized by marked motor abnormalities including immobility (catalepsy or stupor), excessive motor…
- Veisalgia The sober medical term for a hangover. 'There is no consensus definition of veisalgia ('alcohol…
- Twin One of two children produced in the same pregnancy and born during the same birth process. Twins can develop…
- Meningitis, benign recurrent aseptic Recurring meningitis without identifiable cause that leaves no residual damage to the nervous system. Benign…
- Regulatory T cell A T cell (T lymphocyte) that regulates the activity of another T cell, usually by suppressing its activity…
- Werner syndrome A premature aging disease that begins in adolescence or early in adulthood and results in apparent old age by…
- Toxin One of a number of poisons produced by certain plants, animals, and bacteria. The term 'toxin' is frequently…
- German measles (historical note) In 1941 N. M. Gregg, an Australian ophthalmologist, recognized that infection of the mother with German…
- Dyspnoea Difficult or labored breathing; shortness of breath. Dyspnoea is a sign of serious disease of the airway…
- Recombinant DNA technology A series of procedures used to join together (recombine) DNA segments. A recombinant DNA molecule is…
- Arch, zygomatic The bone that forms the prominence of the cheek. The zygomatic bone is also known as the zygoma, the…