Gastric Digestion Flashcards
What are the names of inteimsic nerve plexus of GIT
Submucosal (meisener)
Myenteric Plexus
Where is myenteric plexus gound
Btw circular and longitudinal muscle
Via which ion movement cajal cells become polarized
Ca ion
From which cell in stomach lipase is secreted
Chief cell
Where does relaxation of stomach take place
İn fundus and body
Which substances contribute receptive relaxation of stomach
Vasoactive intesrinal polypeptides and NO from vagal fibers
In which part of the stomach foods are stored
Body and fundus. As there is no muscular function
In response to which sunstance CCK is secreted?
Fats
How wil gastric emptying time change when there is hyper osmotic fluid
Prolongation
What is the effect of gastrin
Contraction of pylore and antrum
Prolonged emptying of stomach
Write down the order of cells in gastric pit
Superficial epithelial cells Mucous neck cells Proliferatimg cell Parietal(oxyntic) cell Chief cell Endocrine cell
Ecl
Chief
Parietal cells secrete what?
Histamine
Pepsinogen
Acid
What does d cell secrete and where does it found in abundant numbers
Secrete somastatin
Found mostly in antrum
Antrum has no …… secreting capacity
Histamin and hcl
Via which channel does H ion sent into lumen
K/H ATPase
