Summary - Anatomy

, Large intestine


* terminal port of gastrointestinal tract

* begins at ileocecal value

* Length :
1 , 2-1 , 5 m

* Diameter : voriable from 8cm (widest part) to 4cm




General Characteristics :




1 Main Function :




-



Absorption of H20 +
electrolytes
-




remaining undigested Material (chyme) is compacted into feces (stuhl wird geformt
>
-

convert liquid chyme into Semi-solid feces
2 Semilunar folds (plicae Semilundris)
-


found inside the mucosa
-

no circular folds and villi/microvilli present C
D C
.


large intestine - responsible
absorption of nutrients
for
3 External Segmentation
-

Haustra (outside part of semilund folds)
↳ external sac-like pouches caused by segmentation of large intestine
a correspond to the internal semiland folds
4 Coli
Tenide
-
three longitudinal muscle bands Ismooth muscle) 8-10 mm wide
-


divided into 3 groups
* Tenia mesocolica
at connection wh Mesocolon
posteriorly
-




,




* Tenia mentalis
at
superiortanteriorly comec W/ greater mentum
-




, .




* Tenia Libera (free tenia)
-




Interiorly + inferiarly ,
free on the wall of large intestine


5 Epiploic Appendices (Appendix Epiploica)
-


tat filled processes of visceral peritoneum
-




typically attached by small stems