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).
Calcitonin
Calcitonin: A hormone produced by the thyroid gland that lowers the levels of calcium and phosphate in the blood and promotes the formation of bone. Bone is in a constant state of remodeling whereby old bone is removed by cells called…
Read the definitionRandom terms
Show more- Hiccup A hiccup is an extraordinary type of respiratory movement involving a sudden inspiration (intake of air) due…
- Congenital anemia 1. Anemia at birth. 2. Synonym for Rh incompatibility
- Amnioreduction The removal of large volumes of amniotic fluid by amniocentesis
- Sesquipedalian A long polysyllabic word that means having many syllables or using long words, as is all too often the case…
- Xanthoma Yellowish firm nodules in the skin frequently indicating underlying disease, such as diabetes, disorder of…
- Thoracic vertebrae The 12 thoracic vertebrae are situated between the cervical (neck) vertebrae and the lumbar vertebrae. The…
- Roentgenology Radiology, the science of radiation and, specifically, the use of both ionizing (like X-ray) and nonionizing…
- Aerophagia Swallowing too much air, a common cause of gas in the stomach and belching. Everyone swallows small amounts…
- Neurogenesis The process by which new nerve cells are generated. In neurogenesis, there is active production of new…
- Mendelian Referring to the great Moravian/Bohemian biologist Gregor Mendel (1822-84) who set forth the basic laws that…
- Syndrome, locked-in A neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body…
- Tenth cranial nerve The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves…