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).
Iodine excess
Just as too little iodine can cause thyroid disease, so may prolonged intake of too much iodine also lead to the development of goiter (swelling of the thyroid gland) and hypothyroidism (abnormally low thyroid activity). Certain foods and…
Read the definitionRandom terms
Show more- Newborn screening Tests of newborns to screen for serious treatable diseases most of which are genetic. The newborn screening…
- Meadow syndrome After Dr. Roy Meadow, the pediatrician who coined the term Munchhausen syndrome by proxy
- HDL Lipoproteins, which are combinations of lipids (fats) and proteins, are the form in which lipids are…
- Bergstrom See: Bergström, Sune K.
- Macroglossia Enlarged tongue. Macroglossia is sometimes said to be associated with Down syndrome, but in that disorder the…
- Emboli Something that travels through the bloodstream, lodges in a blood vessel and blocks it. Examples of emboli…
- Therapy, biological Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease…
- Ankle bone The ankle bone is termed the talus. It is the bone of the foot that joins the tibia and fibula to form the…
- Rh incompatibility The difference in Rh blood group types between an Rh negative mother and her Rh positive baby that leads to…
- HHV-4 Human herpesvirus 4. See Epstein-Barr virus.
- Serratus One of several muscles of the back and thorax. that have interdigitating slips that ressemble the notches on…
- CPEO Chronic progressive external ophthalmoplegia. Slowly progressive paralysis of certain eye muscles. See also…