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- Iritis Inflammation of the iris. The iris is the circular, colored curtain in the front of the visible of the eye…
- Deja vu (In French, dejà vu means 'already seen.' and the word dejà has an acute accent on the e and a grave accent…
- Sclerosis, multiple The injection of a chemical irritant into a vein to sclerose ("harden") it. The chemical irritates the lining…
- Vitamin P An old name for substances now known as bioflavinoids. They are no longer considered to be vitamins by the…
- Antiinfective Something capable of acting against infection, by inhibiting the spread of an infectious agent or by killing…
- BSL-1 Biosafety level 1. The lowest level of biosafety, a level that applies to agents that do not ordinarily cause…
- Lacrimation One of the main types of encephalitis caused by an arbovirus in the US. An arbovirus is a virus that is…
- Meniscus injury Injuries to the crescent-shaped cartilage pads between the two joints formed by the femur (the thigh bone)…
- Nonseminoma A classification of testicular cancers that arise in specialized sex cells called germ cells. Nonseminomas…
- Cytotoxic Toxic to cells, cell-toxic, cell-killing. Any agent or process that kills cells. Chemotherapy and…
- Menstrual synchronization A phenomenon that occurs when two or more menstruating women live together, in which the menstrual cycles of…
- Hormone, antidiuretic (ADH) A relatively small (peptide) molecule that is released by the pituitary gland at the base of the brain after…