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).
Junk DNA
Noncoding regions of DNA that have no apparent function. The term 'junk DNA' is a disparaging one, expressing some of the disappointment felt by geneticists when they first gazed upon sizable segments of the genetic code and, instead of…
Read the definitionRandom terms
Show more- Phenol 1. A poisonous corrosive compound obtained by the distillation of coal tar that, in dilute solution, is an…
- Retinoic acid syndrome A syndrome that occurs from treatment with retinoic acid and is characterized by fever, dyspnea (difficulty…
- Recombinant A person with a new combination of genes, a combination of genes not present in either parent, due to…
- Colitis, universal Ulcerative colitis that involves the entire colon (the large intestine). Ulcerative colitis itself is a…
- PARK9 Familial Parkinson disease type 9
- Neuroepithelial Having to do with tissue made up of sensory cells that serve in the reception of external stimuli…
- Catalyst A substance that speeds up a chemical reaction but is not consumed or altered in the process. Catalysts are…
- Static posture Any posture that is held for a long time. A static posture may result in fatigue and even injury over time
- Inferior vena cava A large vein that receives blood from the lower extremities, pelvis and abdomen and delivers it to the right…
- Immunodeficient Lacking immunity and so susceptible to infection.
- VACTERL association A nonrandom association of birth defects. VACTERL is an mnemonic in which the letters V, A, C, T, E, R, and L…
- Elastase 1 Pancreatic elastase, a member of the pancreatic family of serine proteases. Although termed elastase, this…