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ASCRS |
 | | The postanal plate lies between the anus and the veterbral column and consists of the presacral fascia, the anococcygeal ligament, anococcygeal raphe (midline condensation of the ileococcygeus), and the dorsal extension of the puborectalis and external anal sphincter fibers to the coccyx. |
 | | It differs from a purely anatomical description of the anal canal as extending from the anal verge to the dentate line or a histological one which describes the anal canal as ending at approximately 10 mm above the anal valves where it is lined by rectal type mucosa. |
 | | Anal canal sensation to touch, pin-prick, heat, and cold are present from the anal verge to 2.5 - 15 mm above the anal valves. |
| www.fascrs.org /displaycommon.cfm?an=1&subarticlenbr=133 (1890 words) |
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