“The distal end of the anal canal, overlies the subcutaneous tissue of the external anal sphincter and extends exteriorly to the margin of anal skin” (Faugno et al., 2018, p. 6).
“The distal end of the anal canal, overlies the subcutaneous tissue of the external anal sphincter and extends exteriorly to the margin of anal skin” (Faugno et al., 2018, p. 6).
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