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Rectum - Anatomy & Physiology - Flashcards (view source)

Revision as of 13:54, 27 February 2010

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{{toplink
 
{{toplink
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|backcolour =BCED91
   
|linkpage =Alimentary - Anatomy & Physiology
 
|linkpage =Alimentary - Anatomy & Physiology
 
|linktext =Alimentary System
 
|linktext =Alimentary System
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|subtext2=RECTUM
 
|subtext2=RECTUM
 
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}}
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{| border="3" cellpadding="8"
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<FlashCard questions="8">
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!width="400"|'''Question'''
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|q1=Describe the position of the rectum.
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!width="400"|'''Answer'''
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|a1=Dorsal to the reproductive organs, bladder and urethra
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!width="150"|'''Article'''
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|l1=Rectum - Anatomy & Physiology#Structure
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|-
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|q2=How is the rectogenital pouch formed?
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|<big>'''Describe the position of the rectum.'''
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|a2=Reflection of the mesorectum onto the peritoneal peritoneum of the pelvic cavity
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||<font color="white"> <big>
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|l2=Rectum - Anatomy & Physiology#Structure
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*'''''Dorsal to the reproductive organs, bladder and urethra'''''
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|q3=How is defeaction stimulated?
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||[[Rectum - Anatomy & Physiology#Structure|<span title="Answer article">Link to Answer Article</span>]]
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|a3=Faeces in the rectum stimulate pressure sensitive cells which initiates the defeaction reflex
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|-
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|l3=Rectum - Anatomy & Physiology#Function
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|<big>'''How is the rectogenital pouch formed?'''
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|q4=How is the conscious sensation for the need to empty the bowel produced?
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||<font color="white"> <big>
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|a4=A forceful contraction of the rectum against the external anal sphincter
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*'''''Reflection of the mesorectum onto the peritoneal peritoneum of the pelvic cavity'''''
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|l4=Rectum - Anatomy & Physiology#Function
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||[[Rectum - Anatomy & Physiology#Structure|<span title="Answer article">Link to Answer Article</span>]]
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|q5=What happens if the conscious need to empty the bowel is ignored?
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|-
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|a5=The defeacation reflex is reduced until another mass movement occurs
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|<big>'''How is defeaction stimulated?'''
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|l5=Rectum - Anatomy & Physiology#Function
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||<font color="white"> <big>
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|q6=What is the type of epithelium in the rectum?
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*'''''Faeces in the rectum stimulate pressure sensitive cells which initiates the defeaction reflex'''''
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|a6=Columnar
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||[[Rectum - Anatomy & Physiology#Function|<span title="Answer article">Link to Answer Article</span>]]
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|l6=Rectum - Anatomy & Physiology#Histology
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|-
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|q7=What happens to the epithelium at the recto - anal junction?
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|<big>'''How is the conscious sensation for the need to empty the bowel produced?'''
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|a7=It changes from columnar to stratified squamous non-keratinised  
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||<font color="white"> <big>
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|l7=Rectum - Anatomy & Physiology#Histology
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*'''''A forceful contraction of the rectum against the external anal sphincter'''''
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|q8=What type of muscle forms external anal sphincter?
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||[[Rectum - Anatomy & Physiology#Function|<span title="Answer article">Link to Answer Article</span>]]
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|a8=Skeletal
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|-
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|l8=Rectum - Anatomy & Physiology#Histology
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|<big>'''What happens if the conscious need to empty the bowel is ignored?'''
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|q9=Which species appear to lack the ability to control the external anal sphincter?
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||<font color="white"> <big>
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|a9=Ruminants and equine species
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*'''''The defeacation reflex is reduced until another mass movement occurs'''''
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|l9=Rectum - Anatomy & Physiology#Species Differences
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||[[Rectum - Anatomy & Physiology#Function|<span title="Answer article">Link to Answer Article</span>]]
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</FlashCard>
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|-
  −
|<big>'''What is the type of epithelium in the rectum?'''
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||<font color="white"> <big>
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*'''''Columnar'''''
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||[[Rectum - Anatomy & Physiology#Histology|<span title="Answer article">Link to Answer Article</span>]]
  −
|-
  −
|<big>'''What happens to the epithelium at the recto - anal junction?'''
  −
||<font color="white"> <big>
  −
*'''''It changes from columnar to stratified squamous non-keratinised '''''
  −
||[[Rectum - Anatomy & Physiology#Histology|<span title="Answer article">Link to Answer Article</span>]]
  −
|-
  −
|<big>'''What type of muscle forms external anal sphincter?'''
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||<font color="white"> <big>
  −
*'''''Skeletal'''''
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||[[Rectum - Anatomy & Physiology#Histology|<span title="Answer article">Link to Answer Article</span>]]
  −
|-
  −
|<big>'''Which species appear to lack the ability to control the external anal sphincter?'''
  −
||<font color="white"> <big>
  −
*'''''Ruminants and equine species'''''
  −
||[[Rectum - Anatomy & Physiology#Species Differences|<span title="Answer article">Link to Answer Article</span>]]
  −
|}
 
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