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The best one on digestive system

1. Large Intestine
(Colon)
Presented By: Syeda Muqaddas Fatima

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2
20XX
Colon
1-Mucosa
2-Submucosa
i.Epithelium
ii.Lemina Propria
iii.MALT
Iv. Muscular Mucosae
Dense C.T
3-Muscularis
❑SMOOTH MUSCLES
➢Teniae Coli
❖Assending+ Descending Colon by Adventia
4-Serosa/
Adventia
➢Haustra Coli
❑ Appendices Epiploica
❖Sigmoid+Transverse Colon by Serosa

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Vermiform Appendix
At Birth
Absent IncreasesRegresses
Rectum
❖Crypts Formed Are Poor
❖Star Shaped Lumen
❖Serosa Contains Lympholic Nodules
20 years10-12 years
❖Crypts of Liberkuhn are few+Deeper
❖Uniform Thickness of Outer longitudinal layer
❖No Teniae Coli
❖iii. Most part cove d by Adventia, Some Part by Serosa

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4
T way to get started
is to quit talking and
begin doing.
Walt Disney
Anal Canal
"Extended from Rectum Ampulla to Anus"
Outer = Stripped+ Voluntary
Inner = Smooth+Involuntary
Folds
Pathological Dilation
Anal Glands
Longitudinal
Semilunar
❑Anal Columns❑Anal Valves
2 Anal Sphincters
Veins
ii.SubMusocai.Musoca
Piles

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5
20XX
Caecum
Functions
contains bacteria that
•ferment food
•Detoxify food
•Digest plant fibers i.e, Cellulose
Moistens the solid waste
Colon
Rectum
Anus
Absorption of Water and Electrolytes
Production of •Vitamin K
•Vitamin B
•Vitamin B7( BIOTIN)
Storage of Fecal Material
(water,cholesterol,bile,mucus,bacteria,plant fibers,
sloughed off mucosal cells)
Discharge of SolidWaste
Malfunctions
Diarrhea
Constipation