MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Aortic arch
The second section of the aorta. The aorta first ascends, then bends, and then descends. The bend is the aortic arch. It gives off the brachiocephalic trunk, the left common carotid artery, and the left subclavian artery. The…
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Show more- Duodenal biliary drainage Duodenal biliary drainage: A procedure used to diagnose gallstones when suspicion is high but other tests are…
- Cryoglobulin An abnormal blood protein that has the unusual properties of precipitating from the blood serum when it is…
- Compound heterozygote The presence of two different mutant alleles at a particular gene locus, one on each chromosome of a pair…
- Vaginitis, yeast Infection of the vagina by a fungus known as Candida, characteristically causing itching, burning, soreness…
- Arthritis, Lyme Inflammation of the joints associated with Lyme disease, a bacterial disease spread by ticks
- Peripheral blood stem cell transplantation Peripheral blood stem cell transplantation: A new technique in which stem cells are obtained from a patient's…
- Error, type II See: Error, beta
- Carcinoma, basal cell Carcinoma, basal cell: The most common type of skin cancer, a disease in which the cancer cells resemble the…
- H (drug caution code) Abbreviation standing for habitforming on a medication that indicates caution because the medication may…
- Prepatellar bursitis Inflammation of the bursa that is positioned in front of the kneecap (patella). Prepatellar bursitis commonly…
- Corpora cavernosa Two chambers in the penis which run the length of the organ and are filled with spongy tissue. Blood flows in…
- X-ray crystallography The use of X-rays of known wavelength to learn the structure of any crystalline material. Put otherwise…