heterotrophic nutrition :
organisms obtain organic form of carbon from Reding on other
organisms .
%)
salivary glands
sero "
peritoneum liver and pancreas
longitudinal muscle are accessory organs oesophagus
-
circular muscle
submucosa
mucosa "" " stomach
-
sub mucosal plexus / Meissner 's plexus
lumen
pancreas
⑧µ
Aub arch 's plexus large
small intestine intestine
appendix -
rectum
anus
MUCOSA sub mucosa
' 2
a glandular epithelium :
connective tissue with blood vessels to carry
'
secrets mucus to lubricate food and protect the gut wall digested food away
•
.
secrets digestive enzymes has sub mucosal / Meissner 's plexus which
• .
absorbs nutrients / forms brush border in the small intestine ) controls gland secretions
•
a
b. lamina propria thin layer of supporting tissue
: Brunner 's glands /in the duodenum ) which
.
blood and lymph flow through secret mucus and alkaline fluid
a
.
may contain secretory glands
i
C. Muscular is mucosa thin layer of smooth muscle :
forms in folds of the mucosa in the villi
•
.
3
Muscular is :
Auerbach 's plexus in between muscle layers to control peristalsis and sphincter muscles
a circular muscle b. longitudinal muscle
forms sphincter muscles needed for peristalsis with circular
' '
cardiac sphincter :
between oesophagus and stomach
-
pyloric sphincter :
between stomach and duodenum
-
ikocecal valve :
between ileum and caecum
-
-
and sphincter
4 Serota
•
covered with peritoneum to reduce friction
the mouth
saliva contains
-
lysozyme to destroy bacteria
-
mucus to lubricate food so it forms a bolus and is easier to swallow ;
-
amylase polysaccharide disaccharide
-
-
:
1 starch →
maltose )
mineral salts eg
:
a- which is cofactor of amylase
-
a
,
↳ a non
protein component needed for the proper
-
functioning d-a protein
•
the tongue
manipulates food for mastication by teeth
-
sensory analysis Has It touch and temperature
-
,
secrets mucus and lingual lipase / triglyceride →
glycerol fatty acids )
+
-
organisms obtain organic form of carbon from Reding on other
organisms .
%)
salivary glands
sero "
peritoneum liver and pancreas
longitudinal muscle are accessory organs oesophagus
-
circular muscle
submucosa
mucosa "" " stomach
-
sub mucosal plexus / Meissner 's plexus
lumen
pancreas
⑧µ
Aub arch 's plexus large
small intestine intestine
appendix -
rectum
anus
MUCOSA sub mucosa
' 2
a glandular epithelium :
connective tissue with blood vessels to carry
'
secrets mucus to lubricate food and protect the gut wall digested food away
•
.
secrets digestive enzymes has sub mucosal / Meissner 's plexus which
• .
absorbs nutrients / forms brush border in the small intestine ) controls gland secretions
•
a
b. lamina propria thin layer of supporting tissue
: Brunner 's glands /in the duodenum ) which
.
blood and lymph flow through secret mucus and alkaline fluid
a
.
may contain secretory glands
i
C. Muscular is mucosa thin layer of smooth muscle :
forms in folds of the mucosa in the villi
•
.
3
Muscular is :
Auerbach 's plexus in between muscle layers to control peristalsis and sphincter muscles
a circular muscle b. longitudinal muscle
forms sphincter muscles needed for peristalsis with circular
' '
cardiac sphincter :
between oesophagus and stomach
-
pyloric sphincter :
between stomach and duodenum
-
ikocecal valve :
between ileum and caecum
-
-
and sphincter
4 Serota
•
covered with peritoneum to reduce friction
the mouth
saliva contains
-
lysozyme to destroy bacteria
-
mucus to lubricate food so it forms a bolus and is easier to swallow ;
-
amylase polysaccharide disaccharide
-
-
:
1 starch →
maltose )
mineral salts eg
:
a- which is cofactor of amylase
-
a
,
↳ a non
protein component needed for the proper
-
functioning d-a protein
•
the tongue
manipulates food for mastication by teeth
-
sensory analysis Has It touch and temperature
-
,
secrets mucus and lingual lipase / triglyceride →
glycerol fatty acids )
+
-
