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24 Cards in this Set
- Front
- Back
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Pronephros |
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Collecting duct |
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Allantois |
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What are the three steps in formation of urinary steps |
Pronephros mesonephros metanephros |
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Which is the first functional excretory thingie |
mesonephros |
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who recieves a branch of aorta |
mesonephros |
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The urogenital system develops from? |
The intermediate mesoderm |
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What is cloaca |
It is the common opening of urinary and git waste |
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Urorectal septum divides cloaca into |
Anal canal and urogenital sinus |
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Urogenital sinus develops |
1. Urinary bladder 2. Urethra 3. Reproductive organs(some) |
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The urinary bladder drains into (in embryo) |
Allantois |
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What is urachus |
When the allantois becomes degenrate and fibrous Sometimes it is present as ligamebt connecting umblicus and bladder |
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Wolfian duct becomes |
The trigone and ejaculatory duct in males and only the trigone in females as it degenrates due to lack of androgen |
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Metanephric blastema |
The intermidiate mesoderm arkund the uretric bud |
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What is horshoe kidney |
During the ascent of kidney from the pelvis they may fail to seprate and form horshoe around inf. Mesentric artery usually is not issue may block sometimes |
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What is derived from metanephric blastema |
Excretory system upto dct |
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What is derived from uretric bud |
Collecting system upto ureter |
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The mesonephric duct gives rise to what at its caudal end |
Ureteric bud |
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When does the development of urinary system begin |
4th week |
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Pronephros develops in what region of the embryo |
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Pronephric duct later turns into |
Mesonephric duct |
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Mesonephros is in what region |
Thoracolumbar region |
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Urogenital tubules |