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- Anaphylaxis Anaphylaxis: Allergic reaction. In severe cases, this can include potentially deadly anaphylactic shock.
- Meniscus, lateral knee The word 'meniscus' refers to a crescent-shaped structure. The lateral meniscus of the knee is a thickened…
- Medicated stent See: Coated stent
- Trich- (prefix) Pertaining to hair. As in trichinosis, a disease due to the parasite Trichinella spiralis which was thought…
- Dental pain (toothache) The most common cause of a toothache is a dental cavity. The second most common is gum disease. Toothache can…
- Naturopathy A system of therapy based on preventative care, and on the use of heat, water, light, air, and massage as…
- Behavior center, moral An area of the brain in what is known as the prefrontal cortex. Children who suffer damage before 16 months…
- Herniorrhaphy The surgical repair of a hernia. Herniorrhaphy may be done under local or general anesthesia using a…
- Vaccine, rubella A vaccine designed to prevent rubella, or German measles. German measles was once seen merely as a child's…
- Syndrome, prune belly Partial or complete absence of the abdominal muscles so that the outlines of the intestines are visible…
- Baker's yeast Saccharomyces cerevisiae
- Exaggerated startle disease A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…