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Anterior Abdominal Wall - Coggle Diagram
Anterior Abdominal Wall
Ant. Wall Muscles
- List the 3 muscle layers of the anterolateral abdominal wall order from superficial to deep. What is the orientation and attachments of their fibers, as well as their actions? What is the innervation of these muscle layers?
Layers, muscle tendons, and fascia forming the rectus sheath & surrounding area
- How does each layer of the anterior abdominal wall contribute to the formation of the rectus sheath above the level of the umbilicus?
- What is the arcuate line? How does the rectus sheath change below this line?
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- Why is compression of the abdominal contents functionally important?
Inguinal Region
Inguinal Ligament
- What forms the inguinal ligament? To which bony structures does the inguinal ligament attach?
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- Why is the anatomy of the inguinal region/canal clinically important?
Inguinal canal
- What structures form the floor and posterior wall of the inguinal canal? What structures are
found within the inguinal canal?
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Structures in the canal
Males
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spermatic cord
- Which layer(s) of the anterior abdominal wall contribute to the sheaths of the spermatic cord, and what do they each form?
- Which layer of the anterior abdominal wall does not contribute to the spermatic cord? What are the main components found within the spermatic cord?
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deep inguinal ring
- Where is the location of the deep inguinal ring with relation to the inferior epigastric artery?
- A deficiency in each of the three layers on the anterolateral abdominal wall, in the region of the inguinal ligament, forms what specific passage?
answer
A deficiency in each of the three layers of the anterolateral abdominal wall in the region of the inguinal ligament forms the inguinal canal.
A deficiency in each of the three layers of the anterolateral abdominal wall in the region of the inguinal ligament forms the inguinal canal.
The three layers of the anterolateral abdominal wall contributing to the formation of the inguinal canal are:
- External oblique aponeurosis: The outermost layer contributes to the superficial inguinal ring, which is the exit of the canal.
- Internal oblique muscle: Forms part of the roof and middle layer of the inguinal canal.
- Transversus abdominis muscle: Also contributes to the roof and posterior wall of the inguinal canal.
- In which layers are the superficial and deep inguinal rings formed?
inguinal hernia
- What typically extends from the body cavity in a hernia?
- What is the clinical implication of an inguinal hernia?
- How does an acquired inguinal hernia differ from the congenital type?
- Which type of inguinal hernia is most common in older patients?
- Through what components of the inguinal canal does each type hernia protrude?
- Diagram the layers of the anterior abdominal wall and their contributions to the inguinal
region
- Determine between what two layers the neurovascular structures travel along the anterolateral abdominal wall
- Outline the path of lymphatic drainage for the abdominal wall.