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Elderly male patient with stomach cancer. (Anatomy of Digestive Tract…
Elderly male patient with stomach cancer.
Basic Nutrients
proteins
fats
water
carbohydrates
vitamin c
minerals
amino acids
lipids
Anatomy of Digestive Tract
stomach
pyloric region
fundus
pyloric sphincter
body
cardiac region
rugae
cardiac sphincter
greater/lesser omentum
small intestine
mesentery
duodenum
tunics/ duodenal glands
peritoneum
jejunum
tunics
illum
villi
microvilli
lacteals
plicae circulares
large intestine
appendix
ascending/descending colon
cecum
transverse colon
sigmoid colon
haustra
teniae coli
rectum
anal canal
anus
pharynx
oropharynx
laryngopharynx
esophagus
gastroesophageal/cardiac sphincter
salivary glands
parotid
submandibular
sublingual
serous fluid producing cells
mucous producing cells
liver
portal triads
kupffer cells
lobules
hepatocytes
central vein
pancreas
acinar cells
pancreatic islets
gallbladder
body & cystic duct
Physiology (organ)
Pharynx
process of swallowing and pathway of movement to esophagus. enzymes break down food so the body can absorb and use.
Pancreas
produces enzymes to break down protein and lipids, as well as hormones to break down foods. it is an endocrine function.
Esophagus
easier swallowing of food when chewed and its the beginning of chemical digestion
small intestine
small intestine move to keep particles moving and exposing to digestive enzymes. hormone secretion also causes bicarbonate to be released to neutralize harmful acid.
Liver
digest fat. process nutrients absorb from small intestine, which leads to secrete drugs.
large intestine
produces no digestive enzymes. chemical is completed in small intestine before chyme reaches large intestine. absorption of water, electrolytes, and elimination of feces.
Gallbladder
stores and secretes bile to aid in digestion, which breaks down foods (its fat) so the tissues can absorb it.
Salivary Glands
secrete saliva that allows food to be swallowed easily and beginning of chemical digestion. breaks down carbohydrates and lubricates the passage for food.
Stomach
mixes and stores food for further digested. secretes chemicals to break down food into digestible forms. stomach also slowly empties its contents called chyme.
Enzymes
amylase (produced in mouth)- breakdown large starch molecules into smaller sugar molecules
pepsin (produced in stomach)- helps break down proteins into amino acids.
trypsin (produced in pancreas)- helps break down proteins
pancreatic lipase (produced in pancreas)- break apart fats
deoxyribonuclease & ribonuclease (produced in pancreas)- break bonds in nucleic acids like DNA & RNA.
a feeding tube is being bypassed to the esophagus, duodenum, and stomach.
organs that are not going to be able to participate is his gallbladder, pancreas.
pancreatic lipase enzyme, acidic chyme, fat digesting enzyme will not be added to foods.
wont be able to digest fat properly
not emptying bile correctly.
gallstones causing severe pain
bile can no longer be stored between meals released by liver.
speed of foods processed can cause diarrhea. bile becomes less concentrated
fatty foods will be more difficult to digest
the patient will have to follow a low-fat strict diet to avoid complications such as intestinal pain or diarrhea
the patient will need to receive special liquid food intake and rich nutrients such as some of the basic nutrients for the human body to be able to digest easily and possible stay hydrated