Pelvic Floor Anatomy: Difference between revisions
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== References == | |||
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Revision as of 20:00, 7 April 2014
Original Editor - Venus Pagare
Top Contributors - Laura Ritchie, Venus Pagare, Admin, Kim Jackson, Redisha Jakibanjar, Deborah Mazzarotto, Uchechukwu Chukwuemeka, Siobhán Cullen, Mandy Roscher, Khloud Shreif, Evan Thomas, Scott Buxton, George Prudden and Tarina van der Stockt
Introduction
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3 Layers
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The pelvic floor consists of three muscle layers:
1. Superficial perineal layer: innervated by the pudendal nerve
- Bulbocavernosus
- Ischiocavernosus
- Superficial transverse perineal
- External anal sphincter (EAS)
2. Deep urogenital diaphragm layer: innervated by pudendal nerve
- Compressor urethera
- Uretrovaginal sphincter
- Deep transverse perineal
3. Pelvic diaphragm: innervated by sacral nerve roots S3-S5
- Levator ani: pubococcygeus (pubovaginalis, puborectalis), iliococcygeus
- Coccygeus/ischiococcygeus
- Piriformis
- Obturator internus
