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).
CAT scan, spiral
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- Chronic insomnia See Insomnia, chronic
- Primary amyloidosis Amyloidosis: A disorder of plasma cells (special white blood cells that produce antibodies), this is one of a…
- Appendix epididymis A small cystic projection from the surface of the epididymis which represents a remnant the embryologic…
- Visual pathway glioma A slow-growing benign tumor of the eye
- Nonsyndromic deafness Hearing loss which is not part of a syndrome. Deafness with no related signs and symptoms affecting other…
- Autonomy, patient The right of patients to make decisions about their medical care without their health care provider trying to…
- Snake antivenin Antibodies created in the blood of a horse or sheep when the animal is injected with snake venom. Antivenin…
- Cowper's gland A tiny gland in the male, also known as the bulbourethral gland. Named after the English anatomist William…
- Pachyonychia congenita of the Jadassohn-Lewandowsk E: This is a type of pachyonychia congenita (elephant nails from birth). The characteristic features include…
- AT (in DNA) AT stands for adenine and thymine, a base pair in DNA. The other base pair in DNA is GC (guanine and cytosine)
- Genome, yeast See: Yeast genome
- Temporal-lobe epilepsy Epilepsy that is characterized by abnormal electrical activity in the temporal lobe of the brain. This…