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).
Insulin
Insulin: A natural hormone made by the pancreas that controls the level of the sugar glucose in the blood. Insulin permits cells to use glucose for energy. Cells cannot utilize glucose without insulin. Diabetes: The failure to make insulin…
Read the definitionRandom terms
Show more- T-helper cell A type of T cell that provides help to other cells in the immune response by recognizing foreign antigens and…
- Ot- Prefix meaning ear, used before a vowel, as in otalgia and otitis. Before a consonant, ot- becomes oto-, as…
- IPT Interpersonal therapy
- Colon cancer risk See: Colon cancer family history
- Computerized axial tomography scan Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- SIDS (sudden infant death syndrome) The sudden and unexpected death of a baby with no known illness, typically affecting sleeping infants between…
- Pleurae Pleural of pleura (the thin covering that protects and cushions the lungs)
- Dystrophy, autoimmune polyendocrinopathy Idiasis-ectodermal (APECED): A genetic autoimmune disease with an extraordinary array of clinical features…
- Plague Plague: The plague is an infectious disease due to a bacteria called Yersinia pestis. Y. pestis mainly…
- Perineal prostatectomy An operation to remove the prostate gland through an incision made between the scrotum and the anus. NTER>
- Paraoxonase An enzyme associated with high-density lipoprotein (HDL) that is believed to protect against the oxidation of…
- Coenzyme A substance that enhances the action of an enzyme. (An enzyme is a protein that functions as a catalyst to…