QuestionSBA
QuestionChoice
The image shows a mid-sagittal dissection through the lower abdominal cavity and pelvis. The internal anal sphincter is located slightly more distal compared to the structure indicated by the arrow, which is the anal canal. The anal canal joins the rectum and the anus.
10009442
c
Internal anal sphincter
QuestionChoice
The image shows a mid-sagittal dissection through the lower abdominal cavity and pelvis. The arrow indicates the anal canal as it joins the rectum and the anus.
10009440
a
Anal canal
QuestionChoice
The image shows a mid-sagittal dissection through the lower abdominal cavity and pelvis. The rectum is located more proximal to, and is more muscular in appearance, than the structure indicated by the arrow. Thus, the arrow indicates the anal canal which joins the rectum and the anus.
10009443
d
Rectum
QuestionChoice
The image shows a mid-sagittal dissection through the lower abdominal cavity and pelvis. The sigmoid colon is located more proximal to the structure indicated by the arrow. The arrow indicates the anal canal, which joins the rectum and the anal opening.
10009444
e
Sigmoid colon
QuestionChoice
The image shows a mid-sagittal dissection through the lower abdominal cavity and pelvis. The external anal sphincter is located more distal, in the anal triangle of ther perineum. Thus, the arrow indicates the anal canal, which joins the rectum and the anus.
10009441
b
External anal sphincter
Concept
Chapter
2693
5343
Anal canal
Topic
197
Abdominal anatomy
14436
Picture
1795
131 - Anal canal.png
images/z0l8s35q1682953292737.jpg
images/z0l8s35q1682953292737_256.jpg
images/z0l8s35q1682953292737_512.jpg
ohgKDQL3lpdpt2iHeIl3hwJqYZAm
Topic
197
Abdominal anatomy
Identify the anatomical structure indicated by the blue arrow in the image below.

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a