Anterior Abdominal Wall

The multilayered, musculo-aponeurotic abdominal walls not only contract to increase intra-abdominal pressure but also distend considerably, accommodating expansions caused by ingestion, pregnancy, fat deposition, or pathology. 

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8411781/#:~:text=The%20processus%20vaginalis%20is%20a,surgical%20and%20primary%20care%20physicians.

Abdomen, Pelvis, and Perineun

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