Urinary System. Four major structures Kidneys Ureters Urinary bladder Urethra.
Development of Urinary Bladder
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Development of urinary bladder DiNa Maklad 471
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Transcript of Development of Urinary Bladder
During the 4th to the 7th weeks of development, divides into the urogenital sinus anteriorly and the anal canal posteriorly by the urorectal septum
The bladder develops from the upper part of the urogenital sinus and is connected with the allantois.
During differentiation of the cloaca, the caudal portions of the mesonephric ducts are absorbed into the wall of the urinary bladder.
Consequently, the ureters, initially outgrowths from the mesonephric ducts, enter the bladder separately.Trigone develops .
Malformations related to the development of the bladder
Urachal fistulas
Urachal Sinuses
Urachal cysts