Summaries of SPR7000 LU4-7
- GI Tract
- Digestive System
- Biliary Tract
- Urinary System
- Reproductive System
Use the summaries in addition to class notes and text books.
Happy studying!
4- Chemical
Digestion : For absorption to take place .
( oral cavity & stomach & small intestine )
5- Absorption Nutrients from lumen blood vessels / ( small large intestine )
can move to
lymph nodes -1
:
.
6- Defecation :
Whatever is left in lumen must leave the
body .
( Rectum & anus )
,PERITONEUM
LU 4
visceral and parietal
large membrane in abdominal cavity
lines the abdominal cavity
2
Layers
AS
large as skin
keeps organs in position
parietal LAYER
External
layer
In contact with abdominal Wall
@rad_student
Visceral Layer
Surrounds / in contact with an
organ
Internal layer
Between Layers
Space called the peritoneal cavity
filled with fluid ( acts like lubricant thus
Not
empty no
pain during peristalsis )
:
,
Lesser :
Connects stomach to liver
i
starts on lesser curvature of stomach
Greater from :
curvature of stomach
greater
:
Connects stomach to transverse colon
:
Hangs over transverse colon , down abdo .
cavity then up to connect
,
3. MESO COLON
Connects
large intestine to post .
abdominal wall
Transverse
ascending descending
,
,
and
sigmoid ( named
according to part of colon that it's connected to )
mobile 1
Organs not
ligaments keep them in
place )
@rad_student
, ALIMENTARY
@rad_student
from oral
[ ANG [
cavity
down to colon .
LUMEN
All food and water found here
ingested
MUCOSA 1
Epithelium tissue
Innermost
layer
secretes mucous to allow food to
pass smoothly through lumen
Absorbs all products in duodenum and
jejenum
Protects infections
against
SUB MUCOSA 2
Externally surrounds the mucosa
Alveolar connective tissue
Rich blood
in
supply
Rich in nerve
supply
Rich in
lymphatic supply
Nurishes other three
layers
Muscular is externa 3
surrounds sub mucosa
Muscle layer
Responsible for peristalsis
Inner circular layer forms sphincters
:
Outer
longitudinal layer Responsible for peristalsis
:
SEROUS 9 4
Outermost
layer that surrounds muscular is externa
Alveolar connective tissue
layer
sits up against the visceral
peritoneum
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