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anatomy quiz 4 > Inguinal Region > Flashcards

Inguinal Region Flashcards

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1
Q

Why are hernias more common in inguinal region?

A

Abdominal wall is weaker here

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2
Q

What comprises the inguinal ligament?

A

Infolding of inferior aponeurosis of external oblique

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3
Q

What two structures does the inguinal ligament connect?

A

ASIS

Pubic tubercle

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4
Q

Through what structure do the testes descend?

A

Inguinal canal

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5
Q

What forms the inferior border of the inguinal canal?

A

Inguinal ligament

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6
Q

What 2 structures form the superior border of the inguinal canal?

A

Internal oblique

Transversus abdominis

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7
Q

What forms the anterior border of the inguinal canal?

A

Aponeurosis of external oblique

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8
Q

What 2 structures form the posterior border of the inguinal canal?

A

Transversalis fasica

Conjoint tendon

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9
Q

What are the 2 openings of the inguinal canal?

A

Deep inguinal ring

Superficial inguinal ring

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10
Q

Where is the deep opening of the inguinal canal?

A

Transversalis fascia

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11
Q

Where is the superficial opening of the inguinal canal?

A

Aponeurosis of external oblique

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12
Q

What lies within the inguinal canal in men?

A

Spermatic cord

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13
Q

What lies within the inguinal canal in women?

A

Ligamentum teres

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14
Q

What 3 layers of abdominal fascia do the testes descend through?

A

External oblique
Internal oblique
Transversalis fascia

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15
Q

What fascia does the external oblique form in spermatic cord?

A

External spermatic fascia

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16
Q

What fascia does the internal oblique form in the spermatic cord?

A

Cremasteric muscle

Cremaster fascia

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17
Q

What fascia does the transversus abdominis form in the spermatic cord?

A

Nothing!

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18
Q

What fascia does the transversalis fascia form in the spermatic cord?

A

Internal spermatic fascia

19
Q

What fascia does the testes contact first when descending?

A

Internal spermatic fascia (from transversalis fascia)

20
Q

What are the four major layers of the spermatic cord?

A

External spermatic fascia
Cremasteric muscle and fascia
Internal spermatic fascia
Processus vaginalis

21
Q

What 7 structures are located within the spermatic cord?

A 
Vas deferens
Testicular artery
Artery of the Vas
Pampiniform plexus
Processus vaginalis
Genitofemoral nerve
Lymphatics
22
Q

Where does the pampiniform plexus lie?

A

Surrounds testicular artery

23
Q

What comprises the processus vaginalis?

A

Peritoneum

24
Q

Where does a direct hernia pass through?

A

Inguinal Triangle

25
Q

What makes up the borders of the inguinal triangle?

A

Inguinal ligament
Inferior epigastric vessels/fold
Rectus abdominis muscle/Semilunar line

26
Q

Which parts of the inguinal canal run through the inguinal triangle?

A

Most of inguinal canal itself

Superficial ring

27
Q

A direct hernia is medial or lateral to inferior epigastric vessels?

A

Medial

28
Q

Where does an indirect hernia pass through?

A

Deep inguinal ring

29
Q

True or false. A direct hernia passes directly through the spermatic cord.

A

False. Indirect hernias travel within the spermatic cord

30
Q

Indirect hernias are found ___ to the inferior epigastric vessels.

A

Lateral

31
Q

Where do the testes originate during development?

A

Posterior abdominal cavity

32
Q

Testes descend ____ to the peritoneal cavity and processus vaginalis.

A

Posteriorly

33
Q

The ___ region of the processus vaginalis breaks off and forms the ______.

A

Distal

Tunica vaginalis

34
Q

What structure does the testes punch into during descent into scrotum?

A

Tunica vaginalis

35
Q

What two layers comprise the tunica vaginalis?

A

Posterior visceral layer

Anterolateral parietal layer

36
Q

Where do hydroceles form?

A

Between parietal and visceral tunica vaginalis layers

37
Q

What are the 2 ways the body regulates heat in testes?

A
  • Pampiniform plexus takes heat out of testicular artery

- Cremaster muscle and smooth muscle in dartos fascia control distance testes are from the body

38
Q

What is the thick, fibrous layer directly covering the testes?

A

Tunica albuginea

39
Q

What are the layers covering the testes from inside–out?

A 
Tunica albuginea
Visceral tunica vaginalis
Parietal tunica vaginalis
Internal spermatic fascia
Cremasteric muscle and fascia
External spermatic fascia
40
Q

Where do the testicular arteries branch from?

A

Abdominal aorta

41
Q

Where do lymph vessels from the testes drain?

A

Para-aortic nodes

42
Q

Where do lymph vessels from the scrotum drain?

A

Superficial inguinal nodes

43
Q

What marks the inguinal region?

A

Junction of lower abdomen and upper, medial thigh

anatomy quiz 4 (4 decks)

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