A&P - Chapter 39 (Part 3) Flashcards

1
Q

What shape is the gallbladder?

A

Pear shaped

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2
Q

How long is the GB?

A

7-10cm

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3
Q

How wide is the GB?

A

3cm

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4
Q

Where is the GB located?

A

Under the liver

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5
Q

What is the wall of the GB made up of? (3)

A
  1. Serous layer
  2. Muscular layer
  3. Mucus layers
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6
Q

What does the rugae in the mucosal lining of the GB allow?

A

Allows the GB to expand and store 30 to 50 ml of bile

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7
Q

What is the function of the GB? (2)

A
  1. Store bile

2. Squirts bile into the duodenum

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8
Q

What happens if the bile is too concentrated?

A

You will develop gallstones

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9
Q

What is the result of blockage of the bile to the duodenum?

A

Jaundice

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10
Q

Where is bile absorbed when the duodenum is blocked?

A

Into the blood instead of being eliminated via feces and gets deposited into body tissues
- turns pigment yellow

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11
Q

Where does the pancreas run?

A

From behind stomach from duodenum to spleen

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12
Q

How long is the pancreas?

A

12-15cm

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13
Q

Where does the main duct of the pancreas empty into?

A

The duodenum

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14
Q

What kind of tissue is the pancreas made up of? (2)

A
  1. Exocrine portion
    - mainly this
  2. Endocrine portion
    - 2%
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15
Q

Exocrine portion of the pancreas

A

Tiny ducts unite to form the main pancreatic duct, which empties into the duodenum
- compound acinar arrangement (cluster of cells that resembles a many-lobed “berry“)

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16
Q

Where is the endocrine portion embedded between?

A

The exocrine portion

17
Q

What are pancreatic endocrine cells called?

A

Pancreatic islets

18
Q

What are the endocrine cells made from? (2)

A
  1. Alpha cells

2. Beta cells

19
Q

What is the function of the pancreas?

A

Secretes enzymes

20
Q

What does acinar unit secrete?

A

Digestive enzymes

21
Q

What are 3 digestive enzymes?

A
  1. Lipases
  2. Proteases
  3. Amylases
22
Q

What do beta cells secrete?

A

Insulin

23
Q

What do alpha cells secrete?

A

Glucagon