L16 Inguinal Canal

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Questions and Answers

Which muscle does not contribute to the anterior wall of the Inguinal Canal?

  • External oblique
  • Rectus abdominis (correct)
  • Transverse abdominis
  • Internal oblique

Where is the deep inguinal ring located in relation to the inguinal ligament?

  • At the medial edge
  • Below the inguinal ligament
  • Just above the midpoint (correct)
  • At the lateral edge

Which structure ascends in the posterior wall of the inguinal canal and reaches the rectus sheath?

  • Transversalis fascia
  • Deep inguinal ring
  • Conjoint tendon (correct)
  • Inguinal ligament

What muscles form the roof wall of the Inguinal Canal?

<p>Internal oblique and transverse abdominis (B)</p> Signup and view all the answers

Which nerve is found in both sexes within the Inguinal Canal?

<p>Ilioinguinal nerve (C)</p> Signup and view all the answers

Where is the superficial inguinal ring located in relation to the deep inguinal ring?

<p>Above (C)</p> Signup and view all the answers

Which part of the inguinal ligament constitutes the lateral reinforcement of the internal oblique?

<p>Lateral 2/3rd (B)</p> Signup and view all the answers

What is the structure that descends through the inguinal canal into the scrotum in males?

<p>Spermatic cord (A)</p> Signup and view all the answers

Which type of inguinal hernia is more common in young males due to the processus vaginalis remaining open?

<p>Indirect inguinal hernia (B)</p> Signup and view all the answers

In which type of inguinal hernia does the neck of the sac lie medial to the Inferior Epigastric artery?

<p>Direct inguinal hernia (A)</p> Signup and view all the answers

Which inguinal hernia is less common than the indirect kind and is common after 40 years of age?

<p>Direct inguinal hernia (B)</p> Signup and view all the answers

Why is an indirect inguinal hernia called 'indirect'?

<p>It extends from the deep ring following an oblique course (D)</p> Signup and view all the answers

What is a common characteristic of indirect inguinal hernias in young males?

<p>(Congenital in nature) (C)</p> Signup and view all the answers

Where does a direct inguinal hernia protrude without passing through?

<p>(Deep ring) (A)</p> Signup and view all the answers

What is weakened in the posterior wall leading to a direct inguinal hernia?

<p>(Triangle of Hesselbach) (B)</p> Signup and view all the answers

What is the processus vaginalis?

<p>A tubular process of peritoneum that passes into the scrotum with the descending testis (C)</p> Signup and view all the answers

What is the function of the inguinal (Poupart's) ligament?

<p>It gives attachment to the internal oblique and transverse abdominis muscles laterally (C)</p> Signup and view all the answers

Which of the following statements about the deep inguinal ring is correct?

<p>It is a deficiency in the transversalis fascia located $1/2$ inch above the midpoint of the inguinal ligament (B)</p> Signup and view all the answers

What is the shape of the superficial inguinal ring?

<p>Triangular (C)</p> Signup and view all the answers

What forms the base of the superficial inguinal ring?

<p>The pubic crest (B)</p> Signup and view all the answers

What happens if the neck of the processus vaginalis fails to close at birth?

<p>It leads to the development of a hernia (C)</p> Signup and view all the answers

What is the location of the triangular deficiency in the external oblique aponeurosis?

<p>Above and medial to the pubic tubercle (D)</p> Signup and view all the answers

What is the distal part of the processus vaginalis referred to as?

<p>Tunica vaginalis of the testis (A)</p> Signup and view all the answers

What is the shape of the deep inguinal ring?

<p>Oval (C)</p> Signup and view all the answers

Which of the following structures forms the lateral border of the superficial inguinal ring?

<p>Lateral crura of the aponeurosis of the external oblique (C)</p> Signup and view all the answers

What is the location of the deep inguinal ring in relation to the inguinal ligament?

<p>1/2 inch above the midpoint of the inguinal ligament (B)</p> Signup and view all the answers

Which muscle contributes to the lateral attachment of the inguinal ligament?

<p>Internal oblique (B)</p> Signup and view all the answers

What is the shape of the superficial inguinal ring?

<p>Triangular (C)</p> Signup and view all the answers

Which structure forms the base of the triangular deficiency that is the superficial inguinal ring?

<p>Pubic crest (C)</p> Signup and view all the answers

Which muscle arises from the lateral two-thirds of the inguinal ligament?

<p>Internal oblique (D)</p> Signup and view all the answers

What structure forms the lateral half of the posterior wall of the inguinal canal?

<p>Transversalis fascia (A)</p> Signup and view all the answers

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

<p>Testicular artery (C)</p> Signup and view all the answers

What is the function of the arched fibers of the internal oblique and transversus abdominis muscles?

<p>Form the roof of the inguinal canal (C)</p> Signup and view all the answers

Which structure reinforces the external oblique aponeurosis laterally, contributing to the anterior wall of the inguinal canal?

<p>Internal oblique (C)</p> Signup and view all the answers

Which of the following statements about the inguinal canal is correct?

<p>It extends from the superficial inguinal ring to the deep inguinal ring. (A)</p> Signup and view all the answers

Which structure ascends in the posterior wall of the inguinal canal to reach the rectus sheath?

<p>Inferior epigastric artery (C)</p> Signup and view all the answers

What is the spermatic cord composed of?

<p>Testis, duct, vessels, and nerves (D)</p> Signup and view all the answers

What is the female counterpart of the spermatic cord?

<p>Round ligament of the uterus (B)</p> Signup and view all the answers

At what age is a direct inguinal hernia more common?

<p>After 40 years of age (B)</p> Signup and view all the answers

What is the cause of a direct inguinal hernia?

<p>Weakness in the posterior wall of the inguinal canal (A)</p> Signup and view all the answers

What is the characteristic course of an indirect inguinal hernia?

<p>It extends from the deep ring and follows an oblique course through the inguinal canal (B)</p> Signup and view all the answers

What is the term used for an indirect inguinal hernia in young males?

<p>Congenital inguinal hernia (A)</p> Signup and view all the answers

What is the location of the hernial sac in a direct inguinal hernia?

<p>It protrudes directly forward without passing through the deep inguinal ring (C)</p> Signup and view all the answers

What is the relation of the neck of the sac to the Inferior Epigastric artery in a direct inguinal hernia?

<p>Medial to the Inferior Epigastric artery (A)</p> Signup and view all the answers

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