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Elderly man with stomach cancer with no gallbladder (His digestive system…
Elderly man with stomach cancer with no gallbladder
Background
Enzymes
salivary amylase
Made in salivary glands
breaks down chemical bonds b/w glucose
Maltase
Breaks bond b/w the 2 glucose molecules that compose maltose
Small intestine
Lactase
Digests lactose to glucose and galactose
Small intestine
Dextrinase and Glucoamylase
Breaks the bonds b/w glucose subunits of oligosaccharides
In epithelial lining of the small intestine
Sucrase
Digests sucrose into glucose and fructose
Small Intestine
Pancreatic amylase
synthesized and released by the pancreas
continues the digestion of starch into shorter strands of glucose, maltose, an individual glucose molecules
Lingual lipase
breaks down lipids
Added but activated in low pH of stomach
made in oral cavity
Lingual lipase (in stomach)
Breaks down monoglycerides and fatty acids (in limited amounts)
Stomach
Pepsin
Break down polypeptide and peptide fragments
Made in the stomach
Gastric Lipase
Breaks down monoglycerides and fatty acids (in limited amounts)
Stomach
Deoxyribonuclease
Breaks down deoxyribonucleotides
Small Intestine
Ribonuclease
Breaks down ribonucleotides
Small intestine
Pancreatic lipase
Monoglyceride and fatty acids (within micelles)
small intestine
Trypsin
Breaks down polypeptide and peptide fragments
Small intestine
Dipeptidase
amino acids
Small intestine (brush border enzymes -BBE)
Carboxypeptidase
Amino acids from carboxy end of peptides
Small Intestine
Chymotrypsin
Polypeptide and peptide fragments
small intestine
aminopeptidase
Amino acids from amino end of peptides
Small Intestine BBE
Physiology
Tongue
Teeth
Salivary Glands
Pharynx
Esophagus
Stomach
Small Intestine
3 more items...
Digest food and break down nutrients
Chemical
Perform peristalsis
Physical
path to move food into esophagus
Also moves air
Physical
Produce saliva
Chemical
Chew, i mean masticate
Break food into smaller particles
Physical
tastes thing helloooo
Move food around so teeth can ravage it
form bolus
Physical
Sections of...
Small Intestine
duodenum
duodenojejunal flexure
jejunum
ileum
ileocecal calce
Colon
Ascending colon
Transverse colon
descending colon
sigmoid colon
Stomach
Greater curvature
Lesser curvature
Cardia
Cardiac orifice
fundus
body
1 more item...
Basic Nutrients
Lipids
Composed of..
Phospholipids
steroids
Triglycerides
Glycerol and 3 fatty acids, covalently bonded
Eicosanides
also has Fatty acids
Saturated fatty acids
Unsaturated fatty acids
Polyunsaturated fatty acids
Protein
synthesized from 20 amino acids
Essential proteins are
Lysine
Tryptophan
Leucine
Valine
Isoleucine
Threonine
Phenylalanine
methionine
Carbohydrates
Composed of..
Dissaccharides
sucrose
lactose
maltose
Polysaccharides
Starch
Monosaccharides
glucose
fructose
galactose
also has Fiber
gives bulk to intestinal tract
cannot be absorbed
Nucleic acids
Anatomy
Oral Cavity
Tongue
Pharynx
Stomach
Small Intestine
Large intestine
Teeth
12 more items...
Cecum
Appendix
Ascending colon
Transverse colon
Descending colon
Sigmoid colon
Haustra
Teniae Coli
Rectum
Anal canal
Anus
Peritoneum
Mesentary
Duodenum
Jejunum
Ilium
Villi
Microvilli
Plicae circularis
Lacteals
Cardiac sphincter
Cardiac region
Pyloric region
Pyloric sphincter
Fundus
Body
rugae
Greater omentum
Lesser Omentum
Oropharynx
Laryngopharynx
Papillae
Taste buds
Lingual tonsils
Uvula
Tongue
Superior labial frenulum
Inferior labial frenulum
Gingivae
Maxilla
Mandible
Alveolar margin
Hard and soft palate
His digestive system cannot...
Break down large food particles
Absorb solid food
excrete enzymes made by the stomach or duodenum
engage in peristalsis
fully absorb nutrients as efficiently as before
store, concentrate, and secrete bile cause no gallbladder
gall bladder was removed
Feeding tube inserted
Stomach cancer
Bypasses esophagus, stomach, and duodenum
Old people are weak people cause they're old
No longer can use
literally anything until it reaches the jejunum
Any and all enzymes that would touch it until the jejunum
This mans gotta go on an all liquid diet
Absorption would begin at the jejunum and follow the pathway until defecation occurs
OR
He gets food pumped into him intravenously
He must be fed...
Carbohydrates
for energy :)
Lipids
for good metabolism
Proteins
for them amino acids to stay stronk
Nucleic acids
because its necessary
keep your DNA nice and bueno