exam 3 chp 11 Flashcards Preview

Embryology > exam 3 chp 11 > Flashcards

Flashcards in exam 3 chp 11 Deck (82)
Loading flashcards...
1

the urinary system develops before what other closely related systme?

reproductive

2

the kidneys excrete?

urine

3

what carries urine from the kidneys to the bladder?

ureters

4

what does the urinary bladder store?

urine

5

what carries urine from the bladder to the outside of the body?

urethra

6

what are the three genes important for development?

Wilm's tumor suppresor (WT1)
Sterodogenic factor 1
DAX1 gene

7

mutations of the DAX1 gene will cause?

sex-linked X adrenal hypoplasia

8

the urinary and genital system both develop from?

intermediate mesoderm
mesonnephric mesenchyme

9

the intermediate mesoderm extends along the paraxial mesoderm from the 7th to the ____ somite level.

28th

10

during development a longitudinal ridge develops from the ___________ mesoderm alontg the 7th to 28th somite level.

intermediate mesoderm

11

during development a nephrogenic mass extends along the dorsal body wall of the?

embryo

12

the longitudinal elevation of the mesoderm becomes the?

urogenital ridge

13

the somites break up into segments aong the 7th to 14th level. the segments are known as?

nephrotomes

14

the urogenital ridge forms on each side of the dorsal aorta and bulges into the?

coelum

15

the urogenital ridge gives rise to what two systems?

urinary system- nephrogenic cord/ridge
genital system- genital ridge

16

teh three distinct types of kidneys?

pronephros
mesonephros
metanephros

17

development of the kidneys begins in what week?

the 3rd week

18

the first set of kidneys that is rudimentary and nonfunctional?

Pronephroi
analog- found in developmental stages in fishes and amphibians

19

the second set of kidneys that are well developed and function briefly?

mesonephroi
analog- the adult kidney of amphibians and fish

20

which kidneys becomes the permanent kidneys?

metanephroi

21

the urinary tubules are open and connect what two structures?

the coelom
the collecting duct

22

the glomerulus projects into the?

coelom
external glomerulus?

23

the closed tubules only open into the?

collecting ducts

24

the closed tubules are associated with the?

gomerulus
internal glomerulus?

25

the kidney that develops from the 7th to 10th somite level?

Pronephroi

26

the kidney that is referred to as the head kidney?

pronephroi

27

the kidney that develops open tubules with external glomeruli?

pronephroi

28

the kidney that degenrates around the 4th week?

Pronephroi

29

the kidney with 4 pairs of tubules?

pronephroi

30

the kidney located at the 10-26th somite level?

mesonphroi