cloacal membrane मीनिंग इन हिंदी

Externally, a swelling called the genital tubercule appears over the cloacal membrane.
Before the urorectal septum has an opportunity to fuse with the cloacal membrane, the membrane ruptures, exposing the urogenital sinus and dorsal anorectal canal to the exterior.
The underlying embryologic mechanism leading to bladder exstrophy is unknown, though it is thought to be in part due to failed reinforcement of the cloacal membrane by underlying mesoderm.
The cloaca is, for a time, shut off from the anterior by a membrane, the cloacal membrane, formed by the apposition of the ectoderm and endoderm, and reaching, at first, as far forward as the future umbilicus.
The buccopharyngeal membrane is created in the foregut and it is perforated during the 4th week of human development, creating the primitive mouth, whereas the cloacal membrane is created in the hindgut and it is perforated during the 8th week of human development, creating the primitive anus after the mouth opening has already been created.