Layers of the Abdominal Wall Anatomy

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15 Questions

Which muscle is the most internal of the flat muscles of the abdomen?

Transversus abdominis muscle

What is the orientation of the Obliquus internus abdominis muscle?

Lateral 1/3 of Inguinal ligament

Which structure lies beneath the Transversus abdominis muscle?

Internal abdominal oblique muscle

What is the nerve supply for the Rectus abdominis muscle?

Intercostal nerves (T7 to T12)

Which fascia lies deep to Scarpa's Fascia?

Rectus Sheath

Which structure is located superior to the arcuate line in the anterior part of the abdominal wall?

Rectus Sheath

What directly meets the posterior aspect of the rectus abdominis muscles below the arcuate line?

Transversalis Fascia

Which layer is missing in the posterior lamina (sheet) of the rectus sheath below the arcuate line?

Scarpa's Fascia

Which abdominal muscle is part of the deep layers of the anterolateral abdominal wall?

Transversus Abdominis

Which layer serves as a membranous layer in the anterolateral abdominal wall?

Scarpa's Fascia

Which muscle is a long flat muscle that extends along the whole length of the front of the abdomen?

Rectus abdominis

Which layer of the abdominal wall is more prominent in the lower aspect of the abdomen, inferior to the umbilicus?

Camper's Fascia

What is the composition of the rectus sheath formed by?

External oblique, internal oblique, and transversus abdominis

Where is Scarpa's Fascia located in relation to the rectus sheath?

Between Camper's Fascia and rectus sheath

At what level does the Arcuate line reside in relation to the umbilicus and pubic symphysis?

Halfway between umbilicus and pubic symphysis

Test your knowledge on the layers of the abdominal wall including Skin Camper’s Fascia, Scarpa’s Fascia, and Rectus Sheath. Understand the arrangement of anterior and posterior laminae, as well as structures like Transversalis fascia, extraperitoneal fat, and parietal peritoneum.

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