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.
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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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Thyroxine
Abbreviated T4. A hormone made by the thyroid gland that has four iodine molecules attached to its molecular structure. T4 and other thyroid hormones help regulate growth and control the rate of chemical reactions (metabolism) in the body
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Show more- Dysphoric mania The concurrent presence of symptoms of depression and mania together. Also called Mixed bipolar state
- Burn, first degree A superficial burn with similar characteristics to a typical sun burn. The skin is red in color and sensation…
- Labyrinth The maze of canals in the inner ear. The labyrinth is the portion of the ear that is responsible for sensing…
- Infection, rotavirus Rotavirus: A leading cause of severe winter diarrhea in young children. Each year, rotavirus (RV) causes an…
- Goiter Enlargement of the thyroid gland. A goiter is not cancerous. It is simply a thyroid gland that is bigger than…
- Bug, kissing See: Kissing bug
- Dry eye A deficiency of tears. The main symptom is usually a scratchy or sandy feeling as if something is in the eye…
- Chiropractor Someone who practices chiropractic. Chiropractic defined as a system of diagnosis and treatment that is based…
- Histiocytic necrotizing lymphadenitis A disorder, also called Kikuchi disease, that typically causes 'swollen glands' in the neck (cervical…
- Flavivirus A family of viruses transmitted by mosquitos and ticks that cause some important diseases, including dengue…
- Syndrome, atypical measles (AMS) Measles (AMS): An altered expression of measles, AMS begins suddenly with high fever, headache, cough, and…
- DNA sequence The precise ordering of the bases (A,T,G,C) from which the DNA is composed. DNA sequencing involves…