 ##  [Cloaca](/cloaca) 

  ##  [Cloaca](https://health.quantumdictionary.io/cloaca-0) 

  

 [![Health & Life Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Health%20%26%20Life%20Sciences.png.webp?itok=yyyaiQOY)](/topic-specific-dictionaries/health-life-sciences)



**Health &amp; Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A single posterior chamber into which the intestinal, urinary and reproductive tracts open in birds, reptiles, amphibians, and certain mammals; it provides a shared exit and site for transfer of gametes, waste, and, in some taxa, eggs.