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).
TSI
Stands for Thyroid Stimulating Immunoglobulin. The TSI level is abnormally high in persons with hyperthyroidism (too much thyroid hormone) due to Graves' disease. Thyroid hormones are essential for the function of every cell in the body…
Read the definitionRandom terms
Show more- Crocodile tears syndrome Spontaneous tearing in parallel with the normal salivation of eating. The crocodile tears syndrome occurs…
- Nanny-cam See: Nanny cam
- Windpipe Popular and familiar term for the scapula, the flat triangular bone at the back of the shoulder. The word…
- Veins, ophthalmic The orbital cavity is drained by paired veins called the superior and inferior ophthalmic veins. The superior…
- Leuk- Prefix meaning white, as in leukemia. Leuk-and leuko-, the form used before a consonant, come from the Greek…
- Artery, pulmonary See: Pulmonary artery
- Vitamin B12-responsive methylmalonicaciduria An inherited metabolic (biochemical) disease that, unless effectively treated, causes young children to…
- Disease, sixth A viral disease of infants and young children with sudden onset of high fever which lasts several days and…
- Cusp In reference to heart valves, one of the triangular segments of the valve which opens and closes with the…
- Autoimmune Pertaining to autoimmunity, a misdirected immune response that occurs when the immune system goes awry and…
- Occupational medicine The field of medicine encompassing occupational disease, diseases due to factors in people's occupations. For…
- Humerus The long bone in the arm which extends from the shoulder to the elbow.