Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

histo - digestive

esophagus, stomach, small intestine, appendix, and rectum

QuestionAnswer
how many layers are in the walls of digestive organs and what are their names? 4 - mucosa, sub-mucosa, muscularis externum, and adventitia.
how many divisions of the mucosa are there and what are their names? 3 - epithelium, lamina propria, muscularis mucosa.
what is the mucosa layer of digestive organs? mucus membrane lining layer.
what is the mucus membrane lining layer of digestive organs known as? musoca.
what is the epithelium layer of mucosa of digestive organs? the basement membrane of either stratified squamous epithelium or simple columnar.
a basement membrane of either stratified squamous epithelium or simple columnar epithelium in digestive organs is known as? epithelial layer of mucosa.
what is the lamina propria of mucosa of digestive organs? connective tissue with blood vessels, nerves, glands, and lymph vessels.
what is made up of connective tissue, blood vessels, nerves, glands, and lymph vessels? the lamina propria of mucosa.
what is the muscularis mucosa of digestive organs? smooth muscle layer within the mucosa.
what is the name for the smooth muscle layer within the mucosa of digestive organs? muscularis mucosa.
what is the submucosa of digestive organs? layer of the organ wall containing loose connective tissue, lymph tissue with vessels, increased blood vessels, and Meisner's Plexuses.
what contains Meisner's Plexuses? submucosa layer of digestive organs
what is the muscularis externum of digestive organs? layer of the organ wall containing muscle and Auerbach's/myenteric plexuses
where are Auerbach/myenteric plexuses found? in between muscle layers of muscularis externum in digestive organs
what is found in between muscle layers of muscularis externum in digestive organs? Auerbach/myenteric plexuses
what is the adventitia of digestive organs? loose connective tissue with a mesothelium surface called serosa
what contains a mesothelium surface called serosa? adventitia layer od digestive organs
what is the mesothelium surface in the adventitia of digestive organs called? serosa
what is serosa? mesothelium surface in the adventitia of digestive organs
what are the organs of the digestive system? esophagus, stomach, small intestines, large intestines, appendix, and rectum
what is the esophagus? conduit from the pharynx to the stomach
what connects the pharynx to the stomach? esophagus
what is the epithelial mucosa of the esophagus? stratified squamous
lamina propria of the esophageal mucosa contains what? cardiac esophageal glands (mucus type)
cardiac esophageal glands can be found? in the lamina propria of esophageal mucosa
muscularis mucosa of the esophagus is? thick
thick muscularis mucosa can be found in? the esophagus
submucosa in the esophagus has? esophageal glands and mucus
what contains esophageal glands and mucus? submucosa of the esophagus
muscularis externum in the esophagus has which types of muscle? smooth and skeletal
smooth muscle in the esophagus is found? in the middle 1/3 and lower 1/3 of the muscularis externum
skeletal muscle in the esophagus is found? in the middle 1/3 and upper 1/3 of the muscularis externum
the only place to find skeletal muscle only in the esophagus is? the upper 1/3 of the muscularis externum of the esophagus
the only place to find smooth muscle only in the esophagus is? the lower 1/3 of the muscularis externum of the esophagus
the only place to find both smooth muscle and skeletal muscle in the esophagus is? the middle 1/3 of the muscularis externum of the esophagus
the upper 1/3 of the muscularis externum of the esophagus contains? skeletal muscle
the lower 1/3 of the muscularis externum of the esophagus contains? smooth muscle
the middle 1/3 of the muscularis externum of the esophagus contains? both skeletal and smooth muscle
what is the epithelium mucosa of the stomach? simple columnar
how often is the epithelium of the stomach renewed? every 3 days
the epithelial mucosa of the stomach secretes? highly viscous mucus
highly viscous mucus is secreted by? the simple columnar epithelial mucosa of the stomach
the mucosa of the stomach is? folded into rugae
the folds of the mucosa in the stomach are called? rugae
what are rugae? folds in the mucosa of the stomach
the mucosa of the stomach contains what? gastric glands, tubules, and gastric pits
the gastric glands are found? in the mucosa of the stomach
gastric secretions travel through what structures in the mucosa? simple or branched tubules
simple or branched tubules in the stomach mucosa carry what? gastric secretions of the gastric glands
gastric tubules of the stomach empty gastric secretions into what? gastric pits of the mucosa
what are gastric pits? emptying site for gastric secretions in the stomach mucosa
how many layers are in the muscularis externum of the stomach and what are their names? 3 - inner oblique, middle circular, outer longitudinal
inner oblique, middle circular, and outer longitudinal muscle layers make up what? the muscularis externum of the stomach
where does the middle circular layer of the muscularis externum thicken in the stomach? at the pyloric end
what occurs at the pyloric end of the muscularis externum in the stomach? the middle circular layer thickens to become the pyloric sphincter
what is the pyloric sphincter? the thickening of the middle circular layer at the pyloric end of the muscularis externum in the stomach
what does the stomach churn? the swallowed bolus
what mixes with the bolus in the stomach? stomach acid and proteolytic secretions
stomach acid and protelytic secretions mix with the bolus in the stomach to form? chyme
what is chyme? mixture of the bolus, stomach acid, and proteolytic secretions
what happens to the chyme in the stomach? secreted in intervals into the small intestine
what gets secreted in intervals into the small intestine from the stomach? chyme
how does the stomach recieve signals for secretion? cephalic, gastric, and intestinally.
cephalic, gastric, and intestinal signals tell the stomach to? secrete
how many regions are their to the stomach? 3
what are the names of the 3 regions of the stomach? cardiac, fundic, and pyloric
how are the 3 regions of the stomach defined? by the types of glands present
the types of glands present in the stomach determine? which region of the stomach it is (cardiac, fundic, or pyloric)
where is the cardiac region of the stomach? closest to the esophagus
what region of the stomach is closest to the esophagus? the cardiac region
the cardiac region of the stomach is composed of which type of glands? simple columnar glands similar to cardiac esophagus glands
which region of the stomach has glands similar to the cardiac esophagus glands that are simple columnar? cardiac region of the stomach
what do the cardiac region glands of the stomach produce? watery mucus
where is watery mucus made in the stomach? in the glands of the cardiac region
where is the majority of the gastric juice secreted? in the fundic region of the stomach
the fundic region of the stomach is responsible for? most of the gastric juice secretions
glands of the fundic region in the stomach are? longer and extend into the muscularis mucosa of the stomach
which region do the glands extend into the muscularis mucosa of the stomach? fundic region
how many types of cells can be found in the fundic region of the stomach? 4
what are the 4 types of cells in the fundic region of the stomach? parietal, cheif, mucus neck, and argentaffin
parietal, cheif, mucus neck, and argentaffin cells can be found where? in the fundic region of the stomach
which cells of the fundic region are acidophilic? parietal cells
which cells of the fundic region have the most mitochondria? parietal cells
which cells of the fundic region have intracellular canaliculi with microvilli at the apical surface? parietal cells
where can the intracellular canaliculi with microvilli be found? at the apical surface of parietal cells in the fundic region in the stomach
what cells of the fundic region have a chloride pump? parietal cells
what cells of the fundic region produce HCl? parietal cells
what do parietal cells produce? HCl
what cells of the fundic region of the stomach are basophilic? chief cells
what cells of the fundic region of the stomach are located in the lower half of the gastric glands? chief cells
chief cells of the fundic region are located? in the lower half of the gastric glands
which cells of the fundic region contain zymogen granules of pepsinogen? chief cells
chief cells contain granules of what? zymogen granules of pepsinogen
which cells are located in the glandular neck of the fundic region of the stomach? mucus neck cells
mucus neck cells are located? at the glandular neck of the fundic region in the stomach
pale cells with a central nucleus found in the fundic region of the stomach are called? mucus neck cells
which cells in the fundic region of the stomach secrete hormones and neurotransmitters? agrentaffin cells
what are argentaffin cells? cells of the fundic region of the stomach that secrete hormones and neurotransmitters
what hormones do argentaffin cells release? gastrin
what neurotransmitter does argentaffin cells release? serotonin
what are enteroendocrine cells? argentaffin cells
what is another name for argentaffin cells? enteroendocrine cells
serotonin is released by what in the fundic region of the stomach? argentaffin cells
gastrin is released by what in the fundic region of the stomach? argentaffin cells
gastrin is a? hormone released by argentaffin cells in the stomach
serotonin is a? neurotransmitter released by argentaffin cells in the stomach
what characterizes the pyloric region of the stomach? long pits
long pits are characteristic of which region of the stomach? pyloric region
which cells of the small intestine have villi for absorption mucosal cells
which organ has mucosal cells with villi for absorption? small intestine
what is the purpose of villi on mucosal cells in the small intestine? absorption
what epithelial covers the villi of the small intestines? simple columnar
how many cell types are there in the small intestine's mucosa? 2
what are the 2 cells types found in the small intestine mucosa? columnar-absorbing cells and goblet cells
where can columnar-absorbing cells and goblet cells be found together? mucosa of the small intestines
what do goblet cells do? secrete mucus
which cells secrete mucus? goblet cells
what cells have a striated border of microvilli? columnar-absorbing cells of the small intestines
what do columnar-absorbing cells absorb? lipids
how do columnar-absorbing cells absorb lipids? by pinocytosis
what do terminal bars in the small intestine prevent? material from leaving the lumen and into the intracellular space
where do columnar-absorbing cells release the lipids taken in by pinocytosis in the small intestine? at the basement membrane and into the lymph
Created by: jpzappy