Development of the Urinary system Flashcards Preview

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Flashcards in Development of the Urinary system Deck (30):
1

The urinary system develops mainly from /

intermediate mesoderm

2

the coelomic epithelium helps give rise to what part of the urinary system ?

connective tissue of the ducts

3

where does the first kidney form ?

cervical region

4

what are the three stages of kidney development

pronephros, mesonephros and metanephros

5

when does pronephros form

weeks 3-4

6

when does mesonephros form

weeks 4-8

7

where does the mesomephros form ?

lumbar region to 9th rib

8

what is responsible for pushing the GI tract out of abdomen

growth of the urogenital ridge

9

when does metanephros form

weeks 5 and on

10

where does metanephros form

sacral region

11

what is the outgrowht of mesonephric duct called

ureteric bud

12

the intermediate mesodern in the sacral region is called

ureteric mesoderm

13

permanent kidney is derived from both

ureteric bud and metanephric mesoderm

14

the ureteric bud gives rise to what parts of the kidney

ureter, renal pelvis, major and minor calyces and 1-3 million collecting tubules

15

Metatphric mesoderm gives rise to

bowman's capsule, proximal convoluted tubule, loop of henle, and the distal convoluted tubule

16

collecting tubules are covered with

metanephric tissue

17

what causes the metanephric tissue to differentiate

collecting tubule

18

angiogenic mesoderm gives rise to

glomeruli and vasa recta

19

when you are born where does the hilum of the kidney face ?

medially

20

the urinary bladder is continuous with what structure

allatois

21

what is the wolffian duct

mesonphric duct

22

trigone

derived from mesoderm of the mesophnephric ducts, becomes overgrown by endoderm of the bladder

23

prostate

develops from endodermal outgrowths from the urethra; surrounding mesenchyme forms the stroma and smooth muscle

24

the cortex of the suprarenal gland is derived from

mesenchyme

25

the medulla of the suprarenal gland is derived from

neural crest cells

26

abnormal increase in size of suprarenal gland results in

excessive androgen production leading to masculinziation of female external genitalia

27

what is WILMS timor

congenital tumor of the kidney

28

WAGR syndrome

wilms tumor
anridia (no iris)
genito-urinary/gonadoblastoma
mental retardation

29

renal agenesis

occurs when the uteric bud fails to reach the metanephric mesoderm associated with oligohydramnios

30

what artery is involved in the horseshoe kidney

inferior mesenteric artery