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).
Vitamin D requirement
The amount of vitamin D recommended per day, which varies according to the age of the individual. Recommendations are as follows: > >For Children: The National Academy of Sciences and American Academy of Pediatrics have recommended that…
Read the definitionRandom terms
Show more- Cup, optic The white, cup-like area in the center of the optic disc. The optic disk is the circular area at the back of…
- Radiation, ultraviolet Invisible rays that are part of the energy that comes from the sun. Ultraviolet radiation can burn the skin…
- Jawbone 1. As a noun, a bone of the jaw, particularly the mandible.2. As a verb, to try and influence with words…
- Migraine, abdominal An attack of abdominal pain that may be preceded by a migraine aura and accompanied nausea, vomiting, and…
- NGF Nerve growth factor
- Inhibitor, ACE See: ACE inhibitor
- Osteopetrosis Thickening of the bones which become abnormally dense due an inherited defect in bone resorption -- the…
- Arteritis, Takayasu Also called giant cell arteritis or cranial arteritis, this is a serious disease characterized by…
- Lymphangiogram X-rays of the lymphatic system. A dye is injected to outline the lymphatic vessels and organs.
- Fatal familial insomnia Abbreviated FFI. An hereditary prion disease characterized by disrupted sleep (insomnia), motor abnormalities…
- MHC Major histocompatibility complex
- Iron poisoning Iron supplements meant for adults (such as pregnant women) are a major cause of poisoning in children. Care…