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- Red corpuscles Red corpuscles are cells that carry oxygen in the blood. They are also called red blood cells or 'RBCs.'
- Autoimmune polyglandular syndrome (APS) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- Keratosis pilaris Keratosis pilaris: Small rough bumps, generally on the face, upper arms, and thighs. Keratosis refers to a…
- Nat'l Inst. of Child Health and Human Dev.(NICHD) Nt (NICHD): One of the US National Institutes of Health, NICHD is in a sense the NIH for kids in that it is…
- Beta cell, pancreatic A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Yersinia pestis genome See: Plague bacterium genome
- Chemotherapy L ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Chemotherapy Main…
- Repair, mismatch A system within the cell for correcting errors in DNA that works by detecting and replacing bases in the DNA…
- Adverse event In pharmacology, any unexpected or dangerous reaction to a drug
- Combined oral contraceptive Commonly called 'the pill,' combined oral contraceptives are the most commonly used form of reversible birth…
- Operation, Blalock-Taussig A pioneering heart operation named after the American surgeon Alfred Blalock (1899-1964) and the pediatric…
- Godfrey Hounsfield See: Hounsfield, Godfrey