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. Author manuscript; available in PMC: 2012 May 16.
Published in final edited form as: Am J Obstet Gynecol. 2010 Nov;203(5):494.e15–494.e21. doi: 10.1016/j.ajog.2010.06.008

Figure 3. Sagittal MR images showing perineal body (PB) anatomy.

Figure 3

Midsagittal slice as reference slice with “R” to the right. PB outlined in turquoise. Abbreviations list: PB-perineal body, B-bladder, U-urethra, V-vagina, R-rectum, PS-pubic symphysis, IC-iliococcygeous, VB-vestibular bulb, PuR-pubic rami, IAS-internal anal sphincter, PR-puborectalis. Table 2 lists PB component abbreviations. The region that corresponds to the images shown in Figure 2 is indicated, however, please note, this is a different subject than shown in Figure 2 so that minor variations in spatial relationships exist. © DeLancey 2010.