noun a common cavity at the end of the digestive tract for the release of both excretory and genital products in vertebrates
In anatomy, a cloaca is a common cavity at the end of the digestive tract for the release of both excretory and genital products.
In zoology, a cloaca is a common opening for the intestinal, urinary, and genital tracts in reptiles, amphibians, birds, and some fish.
In embryology, the cloaca is an early embryonic structure that eventually differentiates into separate structures for excretion and reproduction.
In ornithology, a cloaca is the posterior opening that serves as the only opening for the digestive, reproductive, and urinary tracts of birds.
In the field of biology, a writer may use the term 'cloaca' to refer to the posterior orifice that serves as the only opening for the digestive, reproductive, and urinary tracts in certain animals.
Biologists use the term 'cloaca' to describe the common chamber into which the intestinal, urinary, and genital canals open in birds, reptiles, amphibians, and some fishes.
Zoologists often refer to the cloaca as a multifunctional chamber found in various animal species for the elimination of waste and reproduction.