Development of the Urinary system

Question 1

The urinary system develops mainly from /

Answer 1

intermediate mesoderm

Question 2

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

Answer 2

connective tissue of the ducts

Question 3

where does the first kidney form ?

Answer 3

cervical region

Question 4

what are the three stages of kidney development

Answer 4

pronephros, mesonephros and metanephros

Question 5

when does pronephros form

Answer 5

weeks 3-4

Question 6

when does mesonephros form

Answer 6

weeks 4-8

Question 7

where does the mesomephros form ?

Answer 7

lumbar region to 9th rib

Question 8

what is responsible for pushing the GI tract out of abdomen

Answer 8

growth of the urogenital ridge

Question 9

when does metanephros form

Answer 9

weeks 5 and on

Question 10

where does metanephros form

Answer 10

sacral region

Question 11

what is the outgrowht of mesonephric duct called

Answer 11

ureteric bud

Question 12

the intermediate mesodern in the sacral region is called

Answer 12

ureteric mesoderm

Question 13

permanent kidney is derived from both

Answer 13

ureteric bud and metanephric mesoderm

Question 14

the ureteric bud gives rise to what parts of the kidney

Answer 14

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

Question 15

Metatphric mesoderm gives rise to

Answer 15

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

Question 16

collecting tubules are covered with

Answer 16

metanephric tissue

Question 17

what causes the metanephric tissue to differentiate

Answer 17

collecting tubule

Question 18

angiogenic mesoderm gives rise to

Answer 18

glomeruli and vasa recta

Question 19

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

Answer 19

medially

Question 20

the urinary bladder is continuous with what structure

Answer 20

allatois

Question 21

what is the wolffian duct

Answer 21

mesonphric duct

Question 22

trigone

Answer 22

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

Question 23

prostate

Answer 23

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

Question 24

the cortex of the suprarenal gland is derived from

Answer 24

mesenchyme

Question 25

the medulla of the suprarenal gland is derived from

Answer 25

neural crest cells

Question 26

abnormal increase in size of suprarenal gland results in

Answer 26

excessive androgen production leading to masculinziation of female external genitalia

Question 27

what is WILMS timor

Answer 27

congenital tumor of the kidney

Question 28

WAGR syndrome

Answer 28

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

Question 29

renal agenesis

Answer 29

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

Question 30

what artery is involved in the horseshoe kidney

Answer 30

inferior mesenteric artery