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).
SiRNA
Abbreviation for small inhibitory RNA, a short sequence of RNA which can be used to silence gene expression
Read the definitionRandom terms
Show more- Nosebleed, causes of The nose is a part of the body that is very rich in blood vessels (vascular) and is situated in a vulnerable…
- Syncope, micturition The temporary loss of consciousness upon urinating. (Syncope is the temporary loss of consciousness or, in…
- Shunt 1) To move a body fluid, such as cerebrospinal fluid, from one place to another. 2) A catheter (tube) that…
- Zolpidem Zolpidem: Brand name: Ambien. A sedative hypnotic drug in a class closely related the benzodiazepines…
- PPAR Abbreviation for peroxisome proliferator-activated receptor. There are 3 known subtypes of PPARs --…
- Syndrome, Patau Trisomy 13 syndrome or three chromosome number 13s instead of the normal two. Children with this condition…
- Encephalopathic syndrome A dangerous condition with symptoms similar to those of neuroleptic malignant syndrome (NMS), of which it may…
- Surgery, retrograde intrarenal (RIRS) Retrograde intrarenal surgery (RIRS) is a procedure for doing surgery within the kidney using a viewing tube…
- Non-inferiority clinical trial A clinical trial that shows that a new treatment is equivalent to standard treatment. Also called a…
- Spongy degeneration of the central nervous system Also called Canavan disease, this is a severe progressive fatal inherited (genetic) disorder of the central…
- Salubrious Good for the health. Healthy. Promoting health or well-being. Wholesome. For example, smog is far from…
- Holt-Oram syndrome A genetic syndrome characterized by the combination of heart disease and malformations of the upper limb. The…