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).
Iontophoresis
A transdermal delivery system in which a substance bearing a charge is propelled through the skin by a low electrical current. This method can be used to drive a drug across the skin barrier, as is done with pilocarpine to stimulate…
Read the definitionRandom terms
Show more- Hypophosphatemia A less than normal blood level of phosphate. The opposite of hyperphosphatemia.
- Test, Gesell Developmental A measure of child development devised by the American child psychologist and pediatrician Arnold Gesell…
- MDMA Abbreviation for 3-4 methylenedioxymethamphetamine. See: Ecstasy
- Ulocarcinoma Cancer of the gums. It is often associated with the use of smokeless (chewing) tobacco. Diagnosis is by…
- Dactylitis Inflammation of a digit (either a finger or a toe). Dactyl comes from the Greek 'daktylos' meaning 'finger.'…
- Sinus arrhythmia The normal increase in heart rate that occurs during inspiration (when you breathe in). This is a natural…
- Partial seizure A seizure that affects only one part of the brain. Symptoms depend on which part is affected. One part of the…
- Barker, Horace Albert (1907-2000) American biochemist who, among other things, discovered the biologically active forms of vitamin…
- Desmoplastic reaction This term refers to the growth of fibrous or connective tissue. Some tumors elicit a desmoplastic reaction…
- Disease, Parry's Toxic multinodular goiter, a condition in which the thyroid gland contains multiple lumps (nodules) that are…
- Palpebra The eyelid. The plural is palpebrae and the adjective is palpebral, as in palpebral fissure
- Insufficiency, small intestine See: Short bowel syndrome