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).
Iodine, radioactive
An isotope of the chemical element iodine that is radioactive. Radioactive iodine is used in diagnostic tests as well as in radiotherapy of an hyperactive thyroid gland (hyperthyroidism), most often due to Graves disease. For…
Read the definitionRandom terms
Show more- Pharyngitis Inflammation of the pharynx (the hollow tube in the back of the throat about 5 inches long that starts behind…
- URI Commonly used abbreviation for Upper Respiratory Infection, an infection in the respiratory tract shy of the…
- Abrasion An abrasion or 'excoriation' is a wearing away of the upper layer of skin as a result of applied friction…
- Fever blister A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Vertigo, recurrent aural A condition, also known as Meniere's disease, with recurrent vertigo accompanied by ringing in the ears…
- History, family The family structure and relationships within the family, including information about diseases in family…
- Sympathetic nervous system A part of the nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise…
- Ultraviolet B One of the three types of invisible light rays (together with ultraviolet A and ultraviolet C) given off by…
- Osteolytic Pertaining to the dissolution of bone, especially the loss of calcium from bone. 'Punched-out' osteolytic…
- Juncture In anatomy, a place where two or more structures join; a joint. From the Latin jungere, to join
- Erythromycin Erythromycin: Erythromycin is a common antibiotic for treating bacterial infection. Sold under many brand…
- CMG2 Capillary morphogenesis gene 2, a transmembrane protein that is induced during capillary morphogenesis (the…