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).
Goiter, iodide
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- Deficiency, lactase Not enough of an enzyme called lactase in the small intestine to digest lactose, a prominent component of…
- Palsy, Bell's Paralysis of the facial nerve, the nerve that supplies the facial muscles on one side of the face. The cause…
- Cell lineage A genealogic pedigree of cells related through mitotic division
- Valve, Spitz-Holter See Spitz-Holter valve
- ENT physician A medical specialist who is concerned with the diagnosis and treatment of disorders of the head and neck…
- Small saphenous vein The smaller of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Menstrual irregularity The normal menstrual cycle is about four weeks long, and often follows the phases of the moon. Its length…
- Sputum The mucus and other matter brought up from the lungs, bronchi, and trachea that one may cough up and spit out…
- Contraceptive, injectable progestin Injectable progestin (Depo-Provera) was approved by the U.S. Food and Drug Administration (FDA) for…
- Rib, true One of the first 7 pairs of ribs. A rib is said to be 'true' if it attaches to the sternum (the breast bone)…
- Clay-shoveler's fracture An uncommon breakage of the spine of the vertebrae from the lower neck or upper back as a result of stress…
- Dystonia, idiopathic torsion A form of dystonia known as early-onset torsion dystonia (also called generalized torsion dystonia) begins in…