A CLINICO.PATHOLOGICAL STUDY OF ANAL FISTULAE
A CLINICO.PATHOLOGICAL STUDY OF ANAL FISTULAE
A CLINICO.PATHOLOGICAL STUDY OF ANAL FISTULAE
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Anal Fbtuh<br />
Raiev otLiteranre<br />
Levator ani muscle<br />
Sheet of muscle fibers which originate from side wall of pelvis.<br />
r pubic bone in front.<br />
r Ischial sPine backward.<br />
. Intervening obturator fascia.<br />
*<br />
This sheet fuscs with its fellow forrning a sling constituting part of<br />
sphincter mechanism. Formed of 3 parts<br />
r Ischiococcygeus.<br />
. Pubococcygeus.<br />
r hrborectalis.<br />
Iscihococcgeus<br />
' Origtn 'Iscial spine' - Obtwator fascia'<br />
r Course<br />
- Caudally, posteriorly and medially<br />
. Insertion - S4-5 of sacrum - Anococcygeal raphe'<br />
il<br />
Pubococcygeus<br />
. Origtn - Obturator fascia - Ptrbis'<br />
r Course<br />
- Caudally, posteriorly and medially<br />
r Insertion decussate with fibers from conualatEral side. Its<br />
medial fibers fuse with perineal body, vagina or prostate<br />
and form part of longitudinal. Muscle bundle as it traverses<br />
in intersphincteric Plane<br />
f<br />
|}'
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