Urinary System Embryology 1 Flashcards
The kidneys and the ureters arise from what germ layer?
Intermediate mesoderm
The kidneys develop from what entity?
The urogenital ridge
Of the 3 subsets of the urogenital ridge, which matures into the actual kidneys
The metanephros
From which part of the metanephros does the renal pelvis, calyces, and collecting ducts develop?
The ureteric bud
The ureters develop from which portion of the metanephros?
The proximal part known as the ureteric ducts
What are the other 2 primitive kidney structures called
The pronephros, formed in the beginning of week 4, and the mesonephros, formed at the end of week 4
The metanephros forms when?
it is formed in week 5, but doesn’t actually start functioning till week 9
From what germ line do the bladder and urethra develop?
Urogenital sinus
