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).
In situ hybridization, fluorescent
An important molecular cytogenetic method for identifying chromosomes and parts of chromosomes, deciphering chromosome rearrangements, and locating genes on chromosomes. 'Fluorescent' means emitting light that comes from a reaction within…
Read the definitionRandom terms
Show more- Double pneumonia Inflammation of both lungs. Medically called bilateral pneumonia
- Encapsulated Confined to a specific area; the tumor remains in a compact form
- Breadbasket A popular term for the stomach in both senses: 1. The digestive organ, as to hear the breadbasket rumble with…
- Ovary, polycystic See: Polycystic ovary syndrome
- Cleidocranial dysostosis >Absent or incompletely formed collar bones (the 'cleido-' part refers to the clavicles, the collar bones)…
- Cognitive science Cognitive science is the study of the mind. It is an interdisciplinary science that draws upon many fields…
- Reactive oxygen species Species such as superoxide, hydrogen peroxide, and hydroxyl radical. At low levels, these species may…
- SiRNA Abbreviation for small inhibitory RNA, a short sequence of RNA which can be used to silence gene expression
- Otosclerosis The abnormal formation of new bone in the middle ear that gradually immobilizes the stapes (stirrup bone) and…
- Heebie-jeebies Extreme nervousness. A term coined by the America cartoonist Billy DeBeck (1890-1942) in his comic strip…
- MGy Abbreviation for milligray
- CADASIL Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy. An inherited form…