Lecture 15: Inguinal Region/Groin

Question 1

Ilioinguinal (inguinal) ligament

Answer 1

• from ASIS to pubic tubercle
• anterior to ligament: inguinal canal
• inferior/posterior to ligament: retroinguinal space

Question 2

Inguinal canal

Answer 2

tubular passage (~4cm long) through the inferior anterior abdominal wall

Question 3

What travels through the inguinal canal?

Answer 3

• Males: spermatic cord to get from test to urethra
• Females: round ligaments to connect genitalia to uterus
• common site for herniation

Question 4

Going from abdominal cavity to subcutaneous pelvis, the inguinal canal crosses:

Answer 4

a) peritoneum
b) retroinguinal space of Bogros
c) transversalis fascia
d) transversus abdominal muscle
e) internal oblique muscle
f) external oblique muscle

Question 5

Deep internal inguinal ring (oss):

Answer 5

forms an opening in the peritoneum and transversalis fascia called the myopectineal orifice

Question 6

Superficial (external) inguinal ring

Answer 6

forms the opening in the external oblique aponeurosis into the subcut tissue of the medial pelvis

a) lateral crus attaches to pubic crest
b) medial crus attaches to pubic tubercle
c) intercrural fibers hold the 2 crura together

Question 7

The inguinal canal runs parallel to:

Answer 7

a) inguinal ligament

b) iliopubic tract