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).
RNA silencing
See: RNA inactivation; and RNA interference
Read the definitionRandom terms
Show more- Mono Popular name for infectious mononucleosis
- Clitoris A small mass of erectile tissue situated at the anterior apex of the vestibule.
- Granular leukocyte >Neutrophils have 'neutral' subtle granules; >Eosinophils have prominent granules that stain readily with the…
- Kidney cancer Kidney cancer: Malignancy of the kidney, the organ that is primarily responsible for the removal of metabolic…
- Amnesic aphasia See Anomia.
- Measles encephalitis Inflammation of the brain (encephalitis) occurs in perhaps 1 in 1,000 cases of measles, starting (up to 3…
- ADA (American Dental Association) The mission statement of the ADA reads as follows: 'The ADA is the professional association of dentists…
- Upper motor neuron A neuron that starts in the motor cortex of the brain and terminates within the medulla (another part of the…
- Hydroxyurea In Greek mythology, a goddess considered to be the guardian or personification of health. Hygieia was the…
- Syndrome, complete androgen insensitivity A genetic disorder that makes XY fetuses insensitive (unresponsive) to androgens (male hormones). Instead…
- Autosome A chromosome that is not a sex chromosome. In other words, any one of the chromosomes save the sex…
- Anencephaly A neural tube defect (NTD) that occurs when the cephalic (head) end of the neural tube fails to close…