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).
Goiter, diffuse toxic
Graves disease, the most common cause of hyperthyroidism (overactivity of the thyroid gland), with generalized diffuse overactivity ('toxicity') of the entire thyroid gland which becomes enlarged into a goiter. There are three clinical…
Read the definitionRandom terms
Show more- Posteroanterior (PA) In anatomy, posteroanterior (PA) means from back-to-front. For example, a PA X-ray of the chest is taken from…
- Thomas Campion See: Campion, Thomas
- Junctional epidermolysis bullosa A blistering skin condition inherited in an autosomal recessive manner, due to mutation of a gene that…
- Melanoma, eye See: Intraocular melanoma
- Marx, Gertie F. Distinguished German-born American physician known as the 'mother of obstetric anesthesia.' She almost…
- Globe, pale Also called the globus pallidus, this is a pale-appearing spherical area in the brain. Globus is a Latin word…
- Tapeworm, African See Taenia saginata.
- Anterior cruciate injury A knee injury involving the anterior cruciate ligament (ACL). The ACL runs diagonally across the front of the…
- CT scan CT scan: Computerized tomography scan. Pictures of structures within the body created by a computer that…
- Pavlovian conditioning The Russian physiologist Ivan Petrovich Pavlov (1848-1936) conditioned dogs to respond in what proved to be a…
- CNR2 Cannabinoid receptor 2
- Vagina, septate A vagina that is divided, usually longitudinally, to create a double vagina. This situation can be easily…