MCQ – 74230

In the following image of anterior abdominal wall, the correct matching of marking is:

A.	1- Linea alba,2- linea semilunaris, 3-outer lip of iliac crest, 4-inner lip of iliac crest, 5-inguinal ligament, 6-superficial inguinal ring
B.	1-Linea alba,2- linea semilunaris,3-inner lip of iliac crest, 4-outer lip of iliac crest, 5-inguinal ligament,6-deep inguinal ring
C.	1-Linea semilunaris, 2- linea alba, 3-outer lip of iliac crest, 4-inner lip of iliac crest, 5-inguinal ligament, 6-superficial inguinal ring
D.	1-Linea semilunaris, 2-linea alba, 3- inner lip of iliac crest, 4- outer lip of iliac crest, 5-inguinal ligament, 6-deep inguinal ring

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Correct Answer � B Explanation

Ans: B. 1–Linea alba,2- linea semilunaris,3-inner lip of iliac crest, 4-outer lip of iliac crest, 5-inguinal ligament, 6-deep inguinal ring 

• Inguinal ligament is formed by margin of aponeurosis of external oblique extending between anterior superior iliac spine & pubic tubercle.
• External oblique attached to external surfaces & inferior borders of lower 8 ribs.
• External oblique muscle fibers from lower two ribs pass nearly vertically downwards & attached to anterior half or more of outer lip of anterior segment of iliac crest.
• Anterior fibers of external oblique forms a broad aponeurosis, terminates at linea alba.