Membranes and Epithelial Membranes Flashcards Preview

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Flashcards in Membranes and Epithelial Membranes Deck (21)
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1

What are the three epithelial membranes associated with the human body?

1. cutaneous; 2. mucous; 3. serous

2

Of the three epithelial membranes which are dry and which are wet?

Cutaneous is a dry membrane and is the skin. Mucous and serous are wet membranes.

3

What are membranes?

Flat sheets of tissue that cover or line a part of the body

4

What does an epithelial membrane consist of?

An epithelial tissue bound to an underlying connective tissue layer. In other words the epithelial membrane is the combination of the epithelial tissue and underlying connective tissue.

5

What is the cutaneous membrane?

Also known as skin, dry membrane, covers the external surface of the body.

6

Describe the epidermis and dermis of the skin?

The epidermis is keratinized stratified squamous epithelium. The dermis is loose (areolar) connective tissue and dense irregular connective tissue.

7

Generally what kind of body cavities do mucous membranes line?

Those that open directly to the exterior.

8

What kind of exocrine glands are usually associated with mucous membranes?

Goblet cells

9

What kind of loose connective tissue is always associated with mucous membranes?

Lamina propria

10

What is another name for serous membranes?

Serosa

11

What body cavities do serous membranes generally line?

Body cavities that do not open directly to the exterior and organs that lie within that cavity.

12

Describe the two tissues associated with serous membranes?

Mesothelium (simple squamous epithelium) and underlying loose (areolar) connective tissue.

13

Is the overall serous membrane relatively tick or thin?

Thin

14

Organs within the ventral body cavity are called what?

Viscera

15

What are the two names for serous membranes based on what they line?

Parietal and visceral

16

Define a parietal layer.

Serous membrane that lines the walls of the cavity

17

Define visceral layer.

Serous membrane that adheres to the surface of the organ

18

What is located between the parietal and visceral layers to reduce friction when the viscera move?

A thin layer of serous fluid

19

What does parietal pleura and visceral pleura line?

The pleural cavity and the lung's external surface

20

What does parietal pericardium and visceral pericardium line?

The lining of the pericardial cavity and the heart's external surface

21

What does the parietal peritoneum and visceral peritoneum line?

The lining of the abdominopelvic cavity and the external surface of the viscera located in the abdominopelvic cavity