Histo. Digestive Glands Flashcards

Salivary gland, liver, pancreas, GB

1
Q

_______ gland secretions are to lubricate and moisten the oral mm

A

accessory Salivary gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Name 4 accessory salivary glands

A
  1. labial
  2. buccal
  3. lingual
  4. palatine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

name 3 major salivary glands

A

parotid
submandibular
sublingual

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

_____ splits starches and immunoglobulin (IgA)

A

Amylase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

____ are the secretory untis

A

acini

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

_____ acini are rounded. Cells are pyramidal with rounded nuclei and granular cytoplam. They secrete a watery albuminous secretion

A

serous acini

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Serous acini secrete a _____ secretion

A

watery albuminous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

_____ acini secrete mucous

A

Mucous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

_____ acini are mucous acini with a group of serous cells in the form of a demilune

A

Mixed acini

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Serous __ overlie the acinar cells under cover of a basement membrane in mixed acini

A

serous demilunes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The secretion of serous cells reach lumen of mixed acini via _____ btw mucous cells

A

intercellular canaliculi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Name the 3 acini secretory units in the salivary gland

A
  1. serous acini
  2. mucous acini
  3. mixed acini
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The secretion of the acini is collected by a system of ____

A

ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

____ ducts lie inside lobules and between acini

A

intralobular ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Intralobular ducts start as narrow ducts draining acini called ____ ducts (in salivary glands)

A

intercalated ducts

simple squamous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Intercalated ducts unit to form ___ ducts

A

Secretory striated ducts

simple cuboidal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

______ ducts lie in CT trabeculae btw lobules . They are a union of several striated ducts

A

Interlobular ducts

simple columnar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

______ ducts run btw lobes and result from union of several interlobular ducts

A
Interlobar ducts 
(psuedostratified)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

____ ducts are a union of several interlobar ducts . They open into the oral cavity

A

main ducts

stratified squamous non keratinized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

____ ducts open into the oral cavity

A

Main ducts

stratified squamous non keratinized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

_______ cells help to squeeze secretions out of acini and propagation along the ducts

A

Myoepithelial or basket cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

__ glands have 100% serous acini and intercalated ducts are long

A

parotid glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

IN _____ glands the acini are 80% serous and 20% mucous and mixed . Intercalated ducts are short

A

submandibular ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

____ glands have 99% acini mucous and mixed, serous acini are rare (1%). Intercalated ducts are absent

A

sublingual glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

mucous acini with a group of serous cells for a _____

A

demilunes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

_____organ is a mixed exo-endocrine gland

A

Pancreas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

The acini in the pancrease secrete ___

A

pancreatic juice

exocrine portion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

The exocrine portion of the pancrease secretes ______ through the _____

A

pancreatic juice through the acini

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

The pancreas acini are 100% __

A

serous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

In the pancreas the iintralobular ducts line their lunima as ______

A

centro-acinar cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

there are no _____ ducts in the pancreas, unlike in the oral cavity

A

striated ducts

32
Q

The _____ duct opens into the duodemun and is limed by simple columnar with some goblet cells

A

main pancreatic duct

33
Q

The main pancreatic duct is lined with ____ cells

A

simple columnar with some goblet cells

34
Q

**______ is the endocrine portion of the pancreas

A

Islet of langerhans

35
Q

Islet of langerhans are endo/exo crin?

A

endocrine

36
Q

**“A” cells (Alpha cells) secrete _____ hormone

A

glucagon

37
Q

“A” cells are a part of the exo/ end crine portion of the pancreas

A

endocrine

38
Q

______ elevates blood glucose level .

It is secreted by ______ cells in the pancreas

A

glucagon

secreted by alpha cells

39
Q

_____ forms 20% of the islet of langerhans

A

Alpha cells

40
Q

_____ form about 75% of the islet of langerhan

A

Beta cells

41
Q

_____ secrete hormone insulin which reduces blood glucose level

A

beta cells

42
Q

What does insulin do?

A

reduce blood glucose levels

43
Q

What does glucagon do?

A

elevate blood glucose level

44
Q

The reserve cell for “A” and “B” cells

A

C cells

no granules

45
Q

____ secrete the hormone somatostatin

A

D cells

46
Q

______ causes inhibition of surrounding endocrine cells. Secreted by D cells

A

Somatostatin

47
Q

Largest gland in the body

A

Liver

48
Q

The liver is a mixed _________ gland

A

exo-endocrine gland

49
Q

The exocrine secretion in the liver is ___

A

bile

50
Q

The endocrine secretion in the liver is _____

A

plasma proteins

51
Q

What passes through the portal hepatis

A
  1. portal vein
  2. Hepatic art.
  3. Hepatic ducts (bile ducts)
52
Q

The opening in the liver

A

portal hepatis

53
Q

The liver is covered by a capsule of CT under its visceral peritoneum called _____

A

glisson’s capsule

  • capsule thickens around the portal hepatis
54
Q

**_____ is the functional unit of the liver

A

hepatic lobules

55
Q

_____ are in the center of the hepatic lobules

A

central venules

56
Q

Hepatic art, bile duct, and portal vein make up the _____

A

portal triad

57
Q

___ are the areas of CT containing the portal triad vessels

A

portal area

58
Q

portal veins that are unaccompanied by branches of hepatic artery or bile duct are ______

A

sublobular central venules

59
Q

The parenchyma of hepatic lobules is made up of : (3)

A

hepatocytes
bile canaliculi
hepatic sinusoids

60
Q

______ drain all hepatic sinusoids

A

central venules

61
Q

_____ are branching cords radiating from te central venule and separated by hepatic sinusoids

A

Liver cells or hepatocytes

62
Q

Hepatic sinusoids are lined by phagocytic cells called_______

A

von kupffer cells

63
Q

phagocytic cells in the liver

A

von kupffer cells

64
Q

____ are the sites where bile secreted by liver cells is discharged

A

bile CANALiculi

65
Q

_______ are ducts that bile canaliculi drain into

A

Herring’s ductules

66
Q

Liver Sinusoids drain into ____

A

central venules

67
Q

Central venules drain into ____

A

sublobular veins

68
Q

Sublobular veins unite to form the ____ in the liver

A

Hepatic vein

69
Q

____–> central venules –> sublobular vein –> ______

A

sinusoids

hepatic vein

70
Q

Sinusoids –> _______ –> ______–> hepatic vein

A

central venules –> sublobular

71
Q

2 fxn of the GB

A
  1. concentrated bile

2. stores bile

72
Q

**The surface area of the GB mucosa is made of _______ cells

A

simple columnar

73
Q

The musculosa of the GB is _____ muscle

A

smooth

74
Q

_____ is the outer most fibrous layer of the GB

A

adventitia

75
Q

Peritoneum is made of _____ cells called ___

A

simple squamous called mesothelium

76
Q

What is mesothelium

A

simple squamous peritoneum cells

77
Q

______ regulates the flow of bile into the intestine

A

Sphincter of Oddi