Table of Contents
What does the word cloacal mean?
b : the terminal part of the embryonic hindgut of a mammal before it divides into rectum, bladder, and genital precursors. 2 : a passage in a bone leading to a cavity containing a sequestrum. Other Words from cloaca. cloacal \ -ˈā-kəl \ adjective.
Can humans have cloaca?
Abstract. A cloaca is a common chamber into which some or all of the digestive, urinary, and reproductive tracts discharge their contents. A cloaca exists in all human embryos up to 4–6 weeks, at which time it becomes partitioned into the urogenital sinus and the rectum.
What is cloaca in biology?
cloaca, (Latin: “sewer”), in vertebrates, common chamber and outlet into which the intestinal, urinary, and genital tracts open. It is present in amphibians, reptiles, birds, elasmobranch fishes (such as sharks), and monotremes. A cloaca is not present in placental mammals or in most bony fishes.
What is a Barbie bum?
Having a ‘Barbie Butt’ simply means that the rectum is removed and closed up, but it still looks like a normal butt!
What is the meaning of cloaca?
Definition of cloaca. 1 : sewer entry 3. 2a [ New Latin, from Latin ] : the common chamber into which the intestinal and urogenital tracts discharge especially in monotreme mammals, birds, reptiles, amphibians, and elasmobranch fishes also : a comparable chamber of an invertebrate.
What is the function of the cloacal cavity?
The common cavity that serves as the opening for the intestinal, genital, and urinary tracts in many vertebrates, including amphibians, reptiles, birds, monotremes, and some fishes. b. The posterior part of the intestinal tract in various invertebrates. [Latin cloāca, sewer, canal .]
What is the function of the cloaca in birds?
Plural cloacae (klō-ā′sē′) The body cavity into which the intestinal, urinary, and genital canals empty in birds, reptiles, amphibians, most fish, and monotremes. The cloaca has an opening for expelling its contents from the body, and in females it serves as the depository for sperm.
What does the cloaca of a dinosaur look like?
The cloaca of birds, our present-day dinosaurs, look “kind of like a cyst that needs to be popped,” Vintehr explains, while the cloaca of crocodile are covered in distinct scales, forming a sort of raised lobe with a slit in the middle.