Opening book details…
Can I read Anorectal emergencies on EtoBox?
Anorectal emergencies by Barry E. Brenner; Robert R. Simon is a Medicine article available to read on EtoBox.
What is Anorectal emergencies about?
## Physiology Physiology of the anorectum involves four groups of muscles. 1 The external sphincter is a striated muscle under voluntary control and prevents defecation even when the urge is present. The internal sphincter prevents stool from entering the anus and, therefore, maintains the stool in the rectum and causes the rectal ampulla to dilate. After dilation the puborectalis, a subdivision of the levator ani muscle, reflexively initiates defecation in a propulsive wave. 4 This results in expulsion of feces, provided that the external sphincter is relaxed. Towards the end of expulsion, the levator ani muscle finishes this expulsion of stool. The levator ani muscle is also in-
Who reads Anorectal emergencies?
It is typically read by researchers, students, and practitioners in Medicine.
- Author
- Barry E. Brenner; Robert R. Simon
- Publisher
- Elsevier Science; Elsevier ; Mosby Inc.; Elsevier BV (ISSN 1097-6760)
- Published
- 1983
- Language
- EN
- Field
- Medicine (Health Sciences)