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  • Cloaca - Wikipedia
    In the embryo, the embryonic cloaca divides into a posterior region that becomes part of the anus, and an anterior region that develops depending on sex: in males, it forms the penile urethra, while in females, it develops into the vestibule or urogenital sinus that receives the urethra and vagina [13][19] However, some placentals retain a
  • Cloaca | Mammals, Birds, Reptiles | Britannica
    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
  • Cloaca: The Single Opening in Animals, Plus Human Implications
    What does a cloaca look like? A cloaca is just an orifice that, on many animals, isn't visible until it's open In some animals, it's just a hole that looks a lot like an anus For other animals, like snakes, it's a small slit or vent
  • Cloaca (Cloacal Anomaly) - Childrens Mercy
    Cloaca is a birth defect in which a baby's rectum, vagina and urinary tract are fused together This common channel ends in a single opening on the baby’s bottom
  • Cloacal Malformation (Persistent Cloaca): Symptoms, Diagnosis . . .
    In developing fetuses, these openings are joined in a sac known as the cloaca Cloacal malformation, sometimes called persistent cloaca, is found in female children where the rectum, vagina and urethra are fused together, creating a single common channel
  • What is Cloaca? And Why Do Most Animals Have it Except Humans?
    The non-moving collection of urine in humans is a big deal if there is a cloaca "In kids with cloacas, the problem is mostly infection from the stool into their bladder "
  • CLOACA Definition Meaning - Merriam-Webster
    John Timmer, ArsTechnica, 17 Sep 2025 Everything comes out of one all-purpose hole called the cloaca in a chunky white paste that’s both poop and pee combined
  • Cloacal Malformation | Childrens Hospital Colorado
    What is cloaca? A cloacal malformation, or simply cloaca, is an anorectal malformation that affects the rectum, urogenital tract, vagina and urethra in females Females are typically born with three perineal openings: the urethra, vagina and anus


















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