This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
Internal spermatic fascia is derived from 
Select and explain. 
A. Fascia transversalis, B. External oblique aponeurosis, C. Internal oblique aponeurosis, D. Transversus abdominis
A: Fascia transversalis
Answer: A: Fascia transversalis 
Explanation: The transverse fascia is a thin aponeurotic membrane which lies between the inner surface of the transverse abdominal muscle and the parietal peritoneum.It forms pa of the general layer of fascia lining the abdominal parietes, and is directly continuous with the iliac fassia, internal spermatic and pelvic fascia.In the inguinal region, the transverse fascia is thick and dense in structure and is joined by fibers from the aponeurosis of the transverse abdominal. ref - BDC 6e vol2 pg 223,226