Stomach - 8

12 cards

Stomach - 8


 
  
Created May 5, 2012
by
abbyas2003

 

 
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1
Gross Anatomy1. 4 regionsa. close to the heart, small circular region just below LES, near...
 
1. cardiac 2. fundus3. corpus or body4. pylorus-- antrum = designated by imaginary line...
2
Glands1. cardiac glands secrete __ and __2. gastric glandsa. locationb. includes what 2 things?
 
1. mucous and HCO32a. fundus and corpusb. gastric pits and oxyntic glands
3
GASTRIC GLANDSCell Types in Oxyntic Gland1. ___ (oxyntic) cellsa. secrete what 3 things?- required...
 
1. parietala. H, Cl, intrinsic factor- vit B12b. pernicious anemia (Vit B12 is required for...
4
1. gastric pit = space above __ __ __ to the surface of __ __ ANTRUM GLANDS1. 3 cell types2....
 
1. mucous neck cells/ gastric epithelium~~
1. chief, mucous, endocrine2. endocrine = -...
5
1. Superficial or Surface Mucous Cells (at surface of lumen throughout gastric epithelium)a....
 
1a. mucous and HCO3b. gastric epithelial/ protectionc. mucous gel neutralization zone (next...
6
Stimulation of Gastric HCl Secretion1. location2. ___ stimulation to ENS (___ plexus) causes:a....
 
1. corpus2. vagal/ submucosala. Ach (postgang)/ M3 muscarinic receptors/ parietal cellsb. Ach/...
7
Stimulation of Gastric HCl Secretion1. vagus nerve also releases ___ which combines with __...
 
1. gastrin releasing peptide (GRP)/ GPCR on G-cells/ antruma. gastrin/ parietal cells2. D cells...
8
1. other than vagal, what is the other way that HCl secretion can be stimulated~
Inhibition...
 
1. partially digested Protein components in lumen can directly stim G cells in the antrum to...
9
Inhibition of Gastric Acid SecretionCORPUS1. dcrs vagal activity on ___ enhances release of...
 
1. D-cells/ somatostatin2. inhibit ECL cells from secreting histamine (paracrine)3. lack of...
10
Inhibition of Gastric Acid SecretionANTRUM1. what stimulates somatostatin release from D-cells?2....
 
1. luminal acid (pH<3)2. G-cells in antrum from secreting gastrin3. parietal4. D-cells -->...
11
Inhibition of Gastric Acid Secretion1. major mechanism = release of __ by ___ in the ___2....
 
1. secretin/ S-cells/ duodenum2. fat or acid enter3. - inhibits gastrin secretion by astral...
12
Inhibition of Gastric Acid Secretion1. ___ of the duodenum release ___ when what substances...
 
1. K-cells/ gastric inhibitory peptide (GIP)-- when fat or acid enter duodenum2. GIP inhibits...


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