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Anatomy and Physiology: YEAR 2 > Topic 3 Tissues: Epithelial tissue > Flashcards

Topic 3 Tissues: Epithelial tissue Flashcards

1
Q

What are the 4 types of tissues?

A
  1. Epithelial
  2. Connective
  3. Muscular
  4. Nervous
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2
Q

Function of epithelia tissue:

A

Covers and lines body surface and cavities

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3
Q

Function of connective tissue:

A

Protects & supports

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3
Q

Function of muscular tissue:

A

Generates physical force for movement

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4
Q

Function of nervous tissue:

A

Coordinates body activities

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5
Q

What is the structure of cells within epithelial tissue?

A

The cells are close together- Continuous sheets

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5
Q

What type of surface does epithelial tissue have?

A

Apical surface

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6
Q

Epithelial tissue has a basement membrane of?

A

Connective tissue

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6
Q

Epithelial tissue has no blood vessels meaning it is?

A

Avascular

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7
Q

Explain the term innervation in epithelial tissue.

A

Has a nerve supply

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8
Q

Epithelial tissue has a high capacity for?

A

Cell division

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8
Q

What are the 2 categories of epithelium?

A

Simple Epithelium
Stratified Epithelium

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9
Q

How to identify simple epithelium

A

Has 1 layer of cells

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10
Q

How to identify Stratified Epithelium

A

Has more than 1 layer of cells

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11
Q

What are the 4 cell shapes

A
  1. squamous
  2. cuboidal
  3. columnar
  4. transitional (change shape)
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12
Q

What is simple epithelium important for?

A

Important for filtration (kidneys) or diffusion (lungs & capillaries)

13
Q

How to identify squamous cells

A

Squamous= single layer of flat cells.

14
Q

When is simple epithelium called endothelium?

A

Called endothelium when lining heart, blood and lymphatic vessels

15
Q

When is simple epithelium called mesothelium?

A

Called mesothelium when in serous (watery) membranes – line a body cavity that does not open to the exterior e.g. pleura, pericardium and peritoneum.

16
Q

What are the 4 key identifying factors of stratified squamous epithelium?

A
  1. Apical (top) layer of cells are flat
  2. Deep layers vary from cuboidal to columnar
  3. Cells in the basal layer divide and move upward toward apical surface
  4. Found in areas of surface wear & tear
17
Q
A

Anatomy and Physiology: YEAR 2 (17 decks)

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