cloaca
- noun
- /kloʊˈeɪkə/
- Specialized
- Male birds transfer sperm through their cloaca during mating.
Examples
-
All inoculated birds shed virus, but shedding was confined to the oropharynx; no virus was isolated at any time from the cloaca.
Academic text (2014) -
Peeling without the use of a knife can usually be accomplished all the way to the cloaca.
Blog text (26) -
When the cloaca is reached, it is usually necessary to free it from the skin by cutting around the opening with the knife.
Blog text (26) -
On most snakes, there is a smaller belly scale covering the cloaca.
Blog text (26) -
Each bird's oropharynx and cloaca were swabbed every second day for 10 days.
Academic text (2014) -
We collected swab samples from the oropharynx and cloaca of domestic birds on 1-7, 10, and 14 dpi and from wild birds on 1, 3, 5, 7, 10, and 14 dpi.
Academic text (2015) -
At the appropriate stage of receptivity, the female salamander straddles a packet, squats, and incorporates the sperm mass into her cloaca.
Academic text (1998) -
All chickens lay eggs out of their cloaca.
-
The cloaca functions as the exit point for both waste and reproductive fluids in birds.
Surface Forms
Etymology
Cloaca comes from Latin cloaca, meaning 'sewer', and scientists used the word for the single body opening in birds and reptiles because it acts like a natural 'sewer' for waste and eggs. That's why a cloaca in animals is the cavity where waste and eggs leave the body.