MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Selenium excess
See Excess selenium
Read the definitionRandom terms
Show more- Bone, sphenoid See; Sphenoid bone
- Mortality rate, infant The number of children dying under a year of age divided by the number of live births that year. The infant…
- Aspiration Removal of a sample of fluid and cells through a needle. Aspiration also refers to the accidental sucking in…
- Eye chart, Snellen's The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted…
- Pneumocystis pneumonia One of the cells lining the alveoli (the air sacs) in the lung. The alveoli are, in fact, lined with two…
- Compress 1. As a noun, a cloth or another material applied under pressure to an area of the skin and held in place for…
- Skin, scalded, syndrome See Scalded skin syndrome
- Perionychium The tissue surrounding the nail, whether it be a fingernail or a toenail, including the tissue bordering the…
- Thyroid scan Thyroid scan: An image taken of the thyroid gland after radioactive iodine is taken by mouth. The thyroid…
- EOG Electro-oculography. A type of electrophysiologic retinal testing
- Nonsteroidal anti-inflammatory drug Nonsteroidal anti-inflammatory drug: A type of drug commonly prescribed for the treatment of inflammation of…
- PGA (polyglandular autoimmune syndrome) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…