What is the linea alba?
a. The aponeurosis of external oblique
b. A tendinous strap that is located between the xiphoid process and pubic symphysis
c. A junction of fibers from the aponeurosis of external oblique, internal oblique and transversus abdominis muscle
d. A junction of fibers from the aponeurosis of external oblique, internal oblique and rectus abdominis muscle
e. A junction of fibers from the aponeurosis of external oblique, internal oblique,transversus abdominis muscle and rectus abdominis muscle
The correct answer is e. A junction of fibers from the aponeurosis of external oblique, internal oblique, transversus abdominis muscle, and rectus abdominis muscle.
The linea alba (Latin for “white line”) is a fibrous structure that runs along the midline of the abdomen, from the xiphoid process to the pubic symphysis. It’s formed by the interweaving of aponeurotic fibers from the following muscles: