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Anatomy of the Inguinal Canal and Spermatic Cord Quiz

#1

Which structure forms the roof of the inguinal canal?

External oblique aponeurosis
Explanation

Layer of abdominal muscle forming the upper boundary of the inguinal canal.

#2

Which of the following structures is NOT found within the spermatic cord?

Seminal vesicle
Explanation

Accessory gland that stores and secretes seminal fluid, not present in the spermatic cord.

#3

What is the function of the inguinal canal?

Passage of the spermatic cord
Explanation

Canal providing passage for structures like the spermatic cord.

#4

Which structure forms the anterior wall of the inguinal canal?

Inguinal ligament
Explanation

Fibrous band extending from the anterior superior iliac spine to the pubic tubercle, forming the anterior boundary of the inguinal canal.

#5

Which of the following structures is NOT a part of the inguinal canal?

Femoral artery
Explanation

Artery located outside the inguinal canal.

#6

What is the function of the inguinal ligament?

Provides passage for the spermatic cord
Explanation

Fibrous band forming a passage for structures like the spermatic cord.

#7

Which muscle forms the floor of the inguinal canal?

Internal oblique muscle
Explanation

Muscle layer of the abdominal wall forming the lower boundary of the inguinal canal.

#8

What is the function of the cremaster muscle in the spermatic cord?

Contracts to elevate the testes
Explanation

Muscle responsible for the reflex of raising the testes towards the body to regulate temperature.

#9

What is the embryological origin of the inguinal canal?

Mesoderm
Explanation

The inguinal canal originates from the mesodermal tissue during embryonic development.

#10

Which structure passes through the deep inguinal ring in males?

Vas deferens
Explanation

Duct carrying sperm from the epididymis to the ejaculatory duct, passing through the deep inguinal ring in males.

#11

Which structure gives rise to the round ligament in females?

Gubernaculum
Explanation

Connective tissue structure that becomes the round ligament in females.

#12

Which of the following structures is NOT a content of the spermatic cord?

Round ligament of uterus
Explanation

Structure exclusive to females, not found in the spermatic cord.

#13

Which nerve supplies sensory innervation to the inguinal region?

Ilioinguinal nerve
Explanation

Nerve responsible for providing sensory innervation to the inguinal region.

#14

What is the function of the gubernaculum in fetal development?

Anchors the testis in the scrotum
Explanation

Structure responsible for guiding and anchoring the testis during fetal development.

#15

Which of the following structures provides a pathway for the descent of the testes during fetal development?

Gubernaculum
Explanation

Connective tissue structure facilitating the descent of the testes during fetal development.

#16

Which lymph nodes drain the inguinal region?

Inguinal lymph nodes
Explanation

Lymph nodes responsible for draining lymph from the inguinal region.

#17

Which artery supplies blood to the inguinal region?

Inferior epigastric artery
Explanation

Artery providing blood supply to the inguinal region.

#18

Which structure traverses the inguinal canal in females?

Round ligament of uterus
Explanation

Structure passing through the inguinal canal in females, homologous to the spermatic cord in males.

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