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</p> Signup and view all the answers

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

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

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

    <p>Above</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</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</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</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</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</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</p> Signup and view all the answers

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

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

    Where does a direct inguinal hernia protrude without passing through?

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

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

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

    What is the shape of the superficial inguinal ring?

    <p>Triangular</p> Signup and view all the answers

    What forms the base of the superficial inguinal ring?

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

    What is the shape of the deep inguinal ring?

    <p>Oval</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</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</p> Signup and view all the answers

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

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

    What is the shape of the superficial inguinal ring?

    <p>Triangular</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</p> Signup and view all the answers

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

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

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

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

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

    <p>Testicular artery</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</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</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.</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</p> Signup and view all the answers

    What is the spermatic cord composed of?

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

    What is the female counterpart of the spermatic cord?

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

    At what age is a direct inguinal hernia more common?

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

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

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

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