Inguinal Canal and Spermatic Cord Flashcards

1
Q

What is the movement of the male testes during development?

A

start outside of the body, move inside to develop, must move back out of the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the external link of the scrotum to the body?

A

spermatic cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What must the external genitalia move through?

A

the inguinal canal
(inguinal rings)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the contents of the spermatic cord?

A

-ductus deferens
-testicular artery
-pampiniform plexus of veins (testicular vein)
-genitofemoral nerve (for cremaster muscle)
-autonomic nerves
-lymphatics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the contents of the inguinal canal?

A

-ductus deferens
-testicular artery
-pampiniform plexus of veins (testicular vein)
-genitofemoral nerve (for cremaster muscle)
-autonomic nerves
-lymphatics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Do females have a cremaster muscle?

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the function of the gubernaculum?

A

ensure the gonads are moving in the proper direction
-shorten and steer the gonads forward

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the inner most lining of the body wall?

A

parietal peritoneal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Where do the gonads originate in fetal development?

A

near the lumbar vertebrae in the posterior body wall
-near the kidney as well

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the inguinal “hole” ?

A

the place where the gubernaculum attaches to the skin and where the gonads have to pass through

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Do the gonads fit through in inguinal rings?

A

no.
-instead the layers of the abdominal wall must be extended through the rings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does the transversalis fascia become after the gonads get to the inguinal rings?

A

external spermatic fascia
(internal is right I think)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does the internal abdominal oblique muscle become after the gonads get to the inguinal ring?

A

cremaster muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does the external abdominal oblique muscle become after the gonads get to the inguinal ring?

A

internal spermatic fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the processus vaginalis?

A

sheath of peritoneum
-run parallel to the spermatic cord; NOT WITHIN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Where does the spermatic cord become the inguinal canal?

A

at the superficial inguinal ring

17
Q

What is difference in males in females of the cremaster muscle?

A

the cremaster muscle only has motor innervation in males
-sensory only in females

18
Q

What causes the labioscrotal swellings?

A

this is where the gubernaculum ends up following all of gonadal development

19
Q

What does the labioscrotal swellings become in males and females?

A

males- scrotum
females- labial majora

20
Q

Where is the deep inguinal ring?

A

halfway along the length of inguinal ligament and just superior to the edge

21
Q

Where is the middle inguinal ring?

A

more medial than the deep along the lingual ligament

22
Q

Where is the superficial inguinal ring?

A

at the bottom of the lingual ligament

23
Q

What is the innermost layer of the inguinal canal?

A

internal spermatic fascia

24
Q

What is the middle layer of the inguinal canal?

A

cremaster muscle

25
Q

What is the outermost layer of the inguinal canal?

A

external spermatic fascia

26
Q

Do females have inguinal canals?

A

no

27
Q

Do females have inguinal rings?

A

yes, but they are smaller than in males