Module 1 - Lesson 6

Question 1

what is the urogenital system?

Answer 1

the system that develops into the reproductive and urinary systems
- develops from the intermediate mesoderm of the embryo
- same in male and female for up to 7 weeks

Question 2

when does the urogential system differentiate into male and female?

Answer 2

7 weeks

Question 3

up to 7 weeks what do both sexes have in the urogenital system of the embryo?

Answer 3

• gonadal ridge
• urogenital sinus
• mesonephric ducts
• paramesonephric ducts

Question 4

at 7 weeks the urogenital system…

Answer 4

differentiates and develops further

Question 5

the primitive gonads become …

Answer 5

ovaries and testes

Question 6

urogential sinus becomes…

Answer 6

females - bladder, urethra, lower vagina
males - bladder, urethra, prostate gland, bulbourethral gland

Question 7

mesonephric ducts aka..

Answer 7

WOLFFIAN

Question 8

paramesonephric ducts aka…

Answer 8

mullarian

Question 9

mullarian ducts form into

Answer 9

female parts

Question 10

wolffian ducts form into

Answer 10

male parts

Question 11

wolffian ducts aka

Answer 11

mesonephric

Question 12

mullarian ducts aka

Answer 12

paramesonephric

Question 13

in both sexes the trigone is formed from the…

Answer 13

wolffian ducts

Question 14

in males the wolffian ducts form

Answer 14

reproductive structures - initiated by AMH - produced by testes

Question 15

in females the wolffian ducts…

Answer 15

regress

Question 16

what is Gartners duct cyst?

Answer 16

remnant of the wolffian duct seen in the anterolateral wall of the vagina (superior portion)

Question 17

there are 2________ they ________ to become what

Answer 17

2 mullerian ducts.
fuse
uterus, superior vagina, fallopian tubes
- fusion creates a septum and is eventually reabsorbed leaving a cavity

Question 18

fusion of mullarian ducts creates a ______ and is eventually reabsorbed leaving a cavity

Answer 18

fusion creates a septum and is eventually reabsorbed leaving a cavity

Question 19

what are created from the mullarian ducts

Answer 19

uterus
superior vagina
fallopian tubes

Question 20

what DOES NOT develop from the mullarian ducts?

Answer 20

ovaries

Question 21

what are ovaries developed from?

Answer 21

the gonadal ridge

Question 22

the fusion of the mullarian ducts starts….

Answer 22

caudally and progresses cephalically

Question 23

what is a congenital malformation?

Answer 23

A structure or functional defect present at birth (occurs during embryologic stages)

Question 24

Uterus congenital malformations occur when…

Answer 24

1. Arrested development
2. Failure of fusion
3. Failure of resorption

Question 25

cornis

Answer 25

uterus horn

Question 26

collis

Answer 26

cervix

Question 27

congenital conditions will always be related to the

Answer 27

kidney and ureters

Question 28

what are the two types of arrested development?

Answer 28

complete
partial

Question 29

explain complete arrested development

Answer 29

Agenesis (no presence) of the uterus, upper portion of the vagina, Fallopian tubes
MRKH syndrome

Question 30

explain partial arrested development

Answer 30

one duct doesn’t develop or only partially develops
2 senarios - uterus unicornuate or Rudimentary horn

Question 31

what is uterus unicornuate?

Answer 31

• partial arrested development
• one horn develops, other not at all

Question 32

what is rudimentary horn?

Answer 32

• partial arrested development
• one horn develops, other partially

Question 33

associated renal anomalies are…

Answer 33

associated renal anomalies (horseshoe kidney, pelvic kidney, agenesis of the ipsilateral kidney)

Question 34

what is failure of fusion? - 2 types

Answer 34

• looking for indentation of fundal cap
• complete or partial

Question 35

what is complete failure of fusion?

Answer 35

Complete
Uterus didelphys:
2 uterine horns
2 cervices
2 vaginas

Question 36

what is partial faliure of fusion?

Answer 36

Partial
1. Bicornuate bicollis uterus - 2 horns, 2 cervixes
2. Bicornuate unicollis uterus - 2 horns, one cervix - heart shaped

Question 37

what is Bicornuate bicollis uterus

Answer 37

2 horns, 2 cervixes
- faliure of fusion - partial

Question 38

what is Bicornuate unicollis uterus

Answer 38

2 horns, one cervix - heart shaped
failure of fusion - partial

Question 39

what is the heart shaped uterus called?

Answer 39

Bicornuate unicollis uterus

Question 40

what is the most common congenital anomaly?

Answer 40

failure of resorption

Question 41

what is failure of resorption?

Answer 41

complete or partial

Question 42

what is complete failure of resorption?

Answer 42

Complete
1. Septate uterus
septate goes all the way down from fundus to cervix - 2 endometrial cavities

Question 43

what is partial failure of resorption?

Answer 43

Partial
1. Subseptate uterus
2. Arcuate uterus - slight indentation - y shape

Question 44

Didelphys/Bicornuate
is a…

Answer 44

faliure of fusion

Question 45

Septate/Subseptate
is a….

Answer 45

failure of resorption

Question 46

widely splayed uterine horns indicates…

Answer 46

failure of fusion

Question 47

Diethylstilbestrol (DES)

Answer 47

Prescribed man-made estrogen drug to help prevent premature deliveries and miscarriages.

uterine malformations (T-shaped uterus) in daughters

Proven to cause clear cell carcinoma of the vagina and cervix, fertility problems

Question 48

t shaped uterus is an abnormality found in

Answer 48

des daughters