Difference between revisions of "Rectum - Anatomy & Physiology - Flashcards"
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Latest revision as of 17:38, 30 June 2011
| Question | Answer | Article | |
| Describe the position of the rectum. | Dorsal to the reproductive organs, bladder and urethra
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Link to Article | |
| How is the rectogenital pouch formed? | Reflection of the mesorectum onto the peritoneal peritoneum of the pelvic cavity
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Link to Article | |
| How is defeaction stimulated? | Faeces in the rectum stimulate pressure sensitive cells which initiates the defeaction reflex
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Link to Article | |
| How is the conscious sensation for the need to empty the bowel produced? | A forceful contraction of the rectum against the external anal sphincter
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Link to Article | |
| What happens if the conscious need to empty the bowel is ignored? | The defeacation reflex is reduced until another mass movement occurs
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Link to Article | |
| What is the type of epithelium in the rectum? | Columnar
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Link to Article | |
| What happens to the epithelium at the recto - anal junction? | It changes from columnar to stratified squamous non-keratinised
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Link to Article | |
| What type of muscle forms external anal sphincter? | Skeletal
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Link to Article | |