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).
Dyslexia
Dyslexia: A specific reading disability due to a defect in the brain's processing of graphic symbols. Dyslexia is a learning disability that alters the way the brain processes written material. Two commonly held beliefs about dyslexia are…
Read the definitionRandom terms
Show more- Trinucleotide A sequence of 3 base pairs; a triplet of bases. The gene code is made up of trinucleotides
- Pancreatic alpha cell A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Corneal dystrophy A condition in which one or more parts of the cornea lose their normal clarity due to a buildup of cloudy…
- Disease, bipolar See: Bipolar disorder
- Zollinger-Ellison syndrome A rare disorder caused by a tumor called a gastrinoma, most often occurring in the pancreas. The tumor…
- Post-term Overly mature, overly developed, especially as regards a baby that has not been born until well after the…
- Yeast vulvitis A yeast infection of the external genital organs of the female (the vulva). The vulva includes the labia…
- Bony syndactyly A condition in which the bones of fingers or toes are joined together. Bony syndactyly is the opposite of…
- Blood cleaner A process designed to eliminate most pathogens -- viruses, bacteria and fungi -- from donated blood. The…
- PKU See Maternal phenylketonuria.
- Nerve, twelfth cranial See: Twelfth cranial nerve
- Gland of internal secretion See: Endocrine gland