Anatomy and function of the anal longitudinal muscle

Author:

Lunniss P J1,Phillips R K S1

Affiliation:

1. Department of Surgery, St Mark's Hospital, City Road, London EC1V 2PS, UK

Abstract

Abstract The longitudinal muscle in the intersphincteric space has received little attention despite an explosion of interest in anorectal physiology in the past decade. Its anatomy is contested and its function unknown. Speculation, however, gives it a role as a skeleton supporting and binding the rest of the internal and external sphincter complex together, as an aid during defaecation by everting the anus, as a support to the haemorrhoidal cushions, and as a determining factor in the ramification of sepsis.

Publisher

Oxford University Press (OUP)

Subject

Surgery

Reference28 articles.

1. Comparison of the properties of the internal anal sphincter and the conjoint longitudinal coat of the anal canal;O'Kelly;Br J Surg,1992

2. Surgical anatomy of the anal canal with special reference to anorectal fistulae;Milligan;Lancet,1934

3. Anatomy pelvic diaphragm and anorectal musculature as related to sphincter preservation in anorectal surgery;Courtney;Am J Surg,1950

4. Pelvic floor muscles;Lawson;Ann R Coll Surg Engl,1974

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