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25 Cards in this Set
- Front
- Back
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small intestine
*lined with __ *suspended by __ *functions: -majority of __ digestions here (__ from liver, __ from pancreas) -nutrient ___ |
*simple columnar epithelium
*mesentery proper *chemical; bile; digestive enzymes *absorption |
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Small intestine regions:
1. Name and how long, receives __ 2. name and length 3. name and length |
1. duodenum, 25 cm/10 inches; main pancreatic duct and bile duct
2. jejunum, 2.5 m/ 7.5 feet 3. Illeum, 3.6 m (10.8 ft) |
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Modifications for absorption
*all 3 ___ for absorption *___ aka ___ are macroscpc, slow chyme *-__ are microscpc *___ are microscpc, ___ surface of epith. cell (brush border) |
circular folds, plicae circulares
villi microvilli; apical |
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Hernias
*___ hernia, stomach pushes through esoph. hiatus *___ hernia, intestines push through rectus adbd *___ hernia, intestines push hrough inguinal canal (more common in males) *___ hernia, intestines push through femoral triangle (more common in females) |
*hiatal
*umbilical *inguinal *femoral |
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Lg Intestine
*functions (2) *special features (3) |
-absorb water and electrolytes
-forces feces to rectum -teniae coli -haustra -epiploic appdgs |
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Large INst pic
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pg. 167 third slide
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rectum
*__ muscle *generates __ *rectal __ prevent __ |
*well developed
*strong contractions *valves; pooping while farting |
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anal canal
internal anal spincter -always __ -muscle? -voluntary? |
-contracted
-smooth -no |
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external anal spincter
-muscle? -voluntary? |
-skeletal
-yes |
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anal sinuses
*pressure from ___ causes __ *___ anal canal |
*pooing, excess mucous release
*lubricates |
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Appendicitis
*poo obstucts __ *it will __ if untreaetd *causes |
*appendix
*swell and burst *causing peritonitis |
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Intestinal obstruction
*any hindrance to ___ |
*movement of chyme or feces through intestines
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Inflammatory bowel disease
*___ inflammatin of intestine wall *symptoms |
*periodic
*cramping, weight loss,diarrhea, weight loss, intestinal bleeding |
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Colorectal cancer
*__ most common cancer *most arise from ___ *need a __ |
*2nd
*intestinal polyups *colonoscopy |
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Digestive Accessory Organs
*not part of __ *what do they do? *Include (3) |
*GI tact
*secrete substances into GI tract *pancreas, liver, gallbladder |
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Pancreas
*BOTH ___ *located |
*exocrine (produce enzymes) and endocrine (produce insulin and glucagon)
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Liver
*contains __ lobes *name them |
*4
*right lobe, left lobe, quadrate lobe, caudate lobe |
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Gall Bladder
*stores and concentrates __ *look at picture 170 slide 2 |
*bile
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Cirrhosis
*__ are destroyed and replaced by __ *commly caused by __ *one cause of __ (build up of __, skin/sclera turn __) |
*liver cells; connective tissue
*alcoholism *jaundice; bilirubin from RBC recycle; yellow |
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Viral Hepatitis
*__ of liver *__ symtoms and __ |
*inflammation
*flu like; jaundice |
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Gallstones
*crystalization of ___ |
*cholesterol
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Peritoneal Cavity
*two layers, (serous membranes of __) *peritoneal cavity is ___, contains __ |
*parietal and visceral peritoneum (of abdominopelvic cavity)
*space between two peritoneal layers; lubricating serous fluid |
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Mesenteries
*__ folds of __ *support __ *includes (3) |
*double layer; peritoneum
*intraperitoneal *greater omentum, lesser omentum, mesentery proper |
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Retroperitoneal
*organs that lie ___ __ the body wall superficial to __ *includes (5) |
*directly against
parietal peritoneum *most of duodenum, pancreas, ascending and descending colon, rectum, kidneys |
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Development
*__ becomes a tube after __ *primitive gut tube contains (3) *accessory ogans __ the primitive gut tube |
*endoderm; transverse folding
*foregut (forms pharynx to duodenum) midgut (duodenum to transverse colon) hindgut (colon to anus) *bud off |
