RID30888 outer muscle layer of organ region
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RID32906 longitudinal muscle layer of zone of large intestine
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RID32907 longitudinal muscle layer of cecum
RID32908 longitudinal muscle layer of colon
RID32909 longitudinal muscle layer of rectum
RID32910 subdivision of longitudinal muscle layer of rectum 5
RID32916 longitudinal muscle layer of ascending colon
RID32917 longitudinal muscle layer of transverse colon
RID32918 longitudinal muscle layer of descending colon
RID32919 longitudinal muscle layer of sigmoid colon