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. Author manuscript; available in PMC: 2009 Nov 10.
Published in final edited form as: Obstet Gynecol. 2008 Mar;111(3):686–693. doi: 10.1097/AOG.0b013e318163a9a5

Figure 2.

Figure 2

Contiguous coronal sections of a 33-year-old female cadaver demonstrating the changing nature of the perineal membrane from its ventral margin (B) to its dorsal-most extent (E). The left side of each image is the midline portion of the specimen. Abbreviations: Arcuate pubic ligament (APL); bladder (B); clitoral crus (CC); femoral head (FH); ischiopubic ramus (IPR); ischio-rectal fossa (IRF); Ischium (ISC); levator ani muscles (LAM); obturator internus muscle (OIM); perineal body (PB); perineal membrane (PM); posterior vaginal wall (PV); vagina (V); vestibular bulb (VB). (© DeLancey 2007)