Digestive Glands Flashcards Preview

GI exam #1 > Digestive Glands > Flashcards

Flashcards in Digestive Glands Deck (19):
1

What are the major salivary glands?

submandibular, sublingual, and parotid
-branched tubuloalveolar glands

2

Which gland produces most of the saliva?

sumbandibular

3

Which gland produces amylase?

parotid
-saliva production under the control of the ANS

4

What cells secrete IgA?

plasma cells

5

Where are the intercalated ducts the longest?

in the parotid gland

6

What are the striations in the striated ducts?

the vertically aligned mitochondria
-these ducts are involved with transport of water and ions

7

Which gland has only serous acini?

Parotid

8

Which gland has mostly mucus acini?

sublingual

9

Which gland has both kinds of acini with serous demilunes?

submandibular

10

What is statherin and where does it come from?

it is involve with bacterial clearance (tooth)
-secreted by the parotid gland

11

Which gland is the primary target in mumps, rabies, and tumors?

parotid

12

What is the endocrine component of the pancreas?

the islet of langerhans (~2% of volume)

13

What is the main function of the endocrine pancreas?

regulation of glucose metabolism by hormones secreted into the bloodstream

14

What is the functional unit of the exocrine pancreas?

the acinus

15

What cells are in the acinus that are unique to the pancreas?

centroacinar cells

16

What does the exocrine pancreas lack?

striated ducts and myoepithelial cells

17

What do centroacinar cells secrete?

an aqueous bicarb solution under stimulation by the hormone SECRETIN...
-they also secrete mucin

18

Which hormones increase the flow of the pancreatic fluid

CCK and secretin

19

What is happening with acute pancreatitis?

premature activation of pancreatic enzymes and inactivation of trypsin inhibitor
-leads to autodigestion of pancreatic acini
-follows heavy meals or excessive alcohol intake
-*rapid elevation of AMYLASE and LIPASE in serum