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).
Alpha thalassemia
Alpha thalassemia: A blood disorder, thalassemia is not one disease but rather a group of disorders that have a single feature in common: they all have a genetic defect in the production of hemoglobin, the protein that enables red blood…
Read the definitionRandom terms
Show more- Triptans (Triptan) Fear of the number 13. Written reference to this fear dates to the late 1800s. The term triskaidekaphobia…
- Achlorhydria A lack of hydrochloric acid in the digestive juices in the stomach (in technical terms, so that the pH of the…
- Suicide and sexual orientation High rates of suicide have consistently been reported among homosexuals, particularly among adolescents and…
- Mucocutaneous lymph node syndrome A syndrome of unknown origin that mainly affects young children. It causes fever, reddening of the eyes…
- Fertilization, in vitro IVF, a laboratory procedure in which sperm are placed with an unfertilized egg in a Petri dish to achieve…
- Melanoma Melanoma: The most dangerous form of skin cancer, a malignancy of the melanocyte, the cell that produces…
- Turbinate A bone shaped like a top. The turbinate is a bone in the nose; it is an extension of the ethmoid bone, is…
- Yersiniosis An infectious disease caused by a bacterium called Yersinia enterocolitica (and, less often, other forms of…
- Hormone, androgenic Any hormone that promotes the development and maintenance of the male sex characteristics. Testosterone is an…
- Collagen, type IV, alpha 5 See: COL4A5
- X-ray crystallography The use of X-rays of known wavelength to learn the structure of any crystalline material. Put otherwise…
- Synesthesia A condition in which normally separate senses are not separate. Sight may mingle with sound, taste with…