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).
Hormone, T3
Triiodothyronine, a thyroid hormone. The number 3 is usually in subscript
Read the definitionRandom terms
Show more- Androgenic Pertaining to the development of male characteristics, including body hair, the genital organs and muscle…
- Caspase 3 An enzyme that plays a key role in programmed cell death, or apoptosis. Caspase 3 has been called the…
- Agenesis of the gallbladder This is a condition in which the gallbladder fails to develop. This happens in approximately one out of every…
- Uterus, prolapsed A uterus that has moved from its normal position in the abdominal cavity, usually into a lower position…
- Cancer, basal cell Cancer, basal cell: The most common type of skin cancer, a disease in which the cancer cells resemble the…
- Fatty acids,omega-3 A class of fatty acids found in fish oils, especially from salmon and other cold-water fish, that acts to…
- Eukaryote An organism that consists of one or more cells each of which has a nucleus and other well-developed…
- Neuralgia, migrainous A distinctive syndrome of headaches, today better known as cluster headache. There are two main clinical…
- Coloscopy See: Colonoscopy
- Invert 1) To turn inward. To invert the foot is to move its forepart toward the midline of the body. 2) To turn…
- Skeletal Pertaining to the skeleton, the bones of the body which collectively provide the framework for the body
- Gliadin A glycoprotein (a carbohydrate plus a protein) within gluten. Gliadin is found in wheat and some other…