Fig. 1
From: Closing the knowledge gap in pelvic neuroanatomy: assessment of a cadaveric training program
a. LCIV: Left common Iliac Vein. EIV: External Iliac Vein. PM: Psoas Muscle. Solid Line: Sacral Promontory. Dashed Line: incision. b. LCIV: Left Common Iliac Vein. Solid Line: Sacral Promontory. c. EIV: External Iliac Vein. Arrow GNF: Genitofemoral Nerve. PM: Psoas Muscle. d. Opening Obturator Fossa. Arrow GNF: Genitofemoral Nerve. EIV: External Iliac Vein. e. Within Obturator Fossa. Arrow ON: Obturator Nerve. Arrow LST to Green Shaded Area: Lumbosacral Trunk. Arrow GNF: Genitofemoral Nerve. PM: Psoas Muscle. f. Arrow ON: Obturator Nerve. L4: Lumbar Nerve Root. LST: Lumbosacral Trunk. Arrow GNF: Genitofemoral Nerve. PM: Psoas Muscle. g. IIV: Internal Iliac Vein. SGV: Superior Gluteal Vein. SVA: Superior Gluteal Artery. L4, L5: Lumbar Nerve Roots. LST: Lumbosacral Trunk. SPF: Sciatic Perineural Fat. White Shaded Arrow Head: Ischial Spine. Dotted line: Sciatic Notch. GFN: Genitofemoral Nerve. PM: Psoas Muscle. h. IIV: Internal Iliac Vein. IIA: Internal Iliac Artery. PV: Pudendal Vein. PA: Pudendal Artery. PN: Pudendal Nerve. ICM: Iliococcygeus Muscle. Red Shaded Area CM: Coccygeus Muscle. White Shaded Area: Ischial Spine. Asterix: Sacrospinous ligament. ATFP: Arcus Tendineus Fascia Pelvis. Blue Shaded Area: Endopelvic fascia. OIM: Obturator internus muscle. SN: Sciatic Nerve. Dotted Line: Sciatic Notch. i. ICM: Iliococcygeus Muscle. White Shaded Area: Ischial Spine. Asterix on Area Outlined with White Line: Sacrospinous Ligament. PfM: Piriformis Muscle. ATFP: Arcus Tendineus Fascia Pelvis. Blue Shaded Area: Endopelvic fascia. IRN: Inferior Rectal Nerve. PV: Pudendal Nerve. OIM: Obturator internus muscle. SN: Sciatic Nerve. j. Solid Line: Sacral Promontory. Green Shaded Area SPH: Superior Hypogastric Plexus. LCIV: Left Common Iliac Vein. RCIA: Right Common Iliac Artery. k. SHP: Superior Hypogastric Plexus. LHN: Left Hypogastric Nerve. RHN: Right Hypogastric Nerve. Blue shaded area PSF: Presacral Fascia. l. SHP: Superior hypogastric plexus. RHN: Right Hypogastric Nerve. LCIV: Left Common Iliac Vein. RCIA: Right Common Iliac Artery. U: Ureter. m. Overview of Presacral Space. n. Green Shaded Area IHP: Inferior Hypogastric Plexus. Green Shaded Area PSN: Pelvic Splanchnic Nerve. S2, S3, S4: Sacral Nerve Roots. o. IHP: Inferior Hypogastric Plexus. MRV: Middle Rectal Vein. IIV: Internal Iliac Vein. PSN: Pelvic Splanchnic Nerve. S2, S3, S4: Sacral Nerve Roots