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Anatomy & Physiology > A&P - Chapter 9 (Part 2) > Flashcards

A&P - Chapter 9 (Part 2) Flashcards

1
Q

What are the different types of epithelium? (5)

A
  1. Simple squamous epithelium
  2. Stratified squamous epithelium
  3. Simple columnar epithelium
  4. Stratified transitional epithelium
  5. Pseudostratified epithelium
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2
Q

How many layers are there in simple squamous epithelium?

A

1

- flat scaled shaped cells

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3
Q

What is simple squamous epithelium good for? (3)

A
  1. Transport
  2. Diffusion
  3. Absorption
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4
Q

Is simple squamous epithelium permeable?

A

Yes

- to many structures

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5
Q

Where is simple squamous epithelium located? (4)

A
  1. Alveoli of the lungs
  2. Lining of blood
  3. Lining of lymphatic vessels
  4. Skin
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6
Q

How many layers are there in simple cuboidal epithelium?

A

1

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7
Q

What does simple cuboidal epithelium specialize in?

A

Secretory activity

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8
Q

What are simple cuboidal epithelium usually grouped into? (2)

A
  1. Tubules

2. Clusters/glands

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9
Q

What 2 things can glands be?

A
  1. Endocrine
    - ductless
  2. Exocrine
    - ducts
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10
Q

What do tubules of the kidney produce?

A

Urine

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11
Q

How many layers do simple columnar epithelium have?

A

1

- tall, narrow, column shaped

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12
Q

What do the simple columnar epithelium compose? (4)

A

Surfaces of the …

  1. Mucous membranes that line the stomach
  2. Intestines
  3. Parts of the respiratory system
  4. Parts of the reproductive system
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13
Q

What do simple columnar epithelium contain?

A

Mucous

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14
Q

What does the mucous from the simple columnar epithelium produce?

A

Goblet cells

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15
Q

What is the simple columnar epithelium specialized for?

A

Absorption

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16
Q

What is an example of a structure that is specialized for absorption for simple columnar epithelium?

A

Microvilli

17
Q

What does pseudostratified columnar epithelium look like?

A

Columnar cells of varying heights

- all touching the basement membrane

18
Q

What does the pseudostratified columnar epithelium line? (2)

A
  1. Respiratory tract

2. Parts of the reproductive system

19
Q

How does stratified squamous epithelium look?

A

Several layers closely packed

20
Q

What is the primary function of stratified squamous epithelium?

A

Protection

21
Q

What does the stratified squamous epithelium protect?

A

Prevents microbes from getting through the skin or mucus membranes

22
Q

Can stratified squamous epithelium be keratinized?

A

Yes

  • depending on the location
  • eg) skin vs mouth/esophagus/vagina
23
Q

Where do you mainly see stratified squamous epithelium?

A

In the skin

24
Q

What layers of the stratified squamous epithelium are attached to the basement membrane?

A

Just the first layer

- the rest are layered on top

25
Q

What does stratified cuboidal epithelium look like?

A

Two or more rows of cuboidal cells, arranged randomly over a basement membrane

26
Q

What is the function of the stratified cuboidal epithelium?

A

Protection

27
Q

Where is the stratified cuboidal epithelium located? (3)

A
  1. Sweat glands
  2. Pharynx
  3. Epiglottis
28
Q

How many layers does the stratified columnar epithelium have?

A

Multiple

29
Q

What do the cells look like in stratified columnar epithelium?

A

Columns

- but only the most superficial cells are typically in shape

30
Q

What is the function of the stratified columnar epithelium?

A

Protection

31
Q

Out of all the tissues, which one is the most rare?

A

Stratified columnar epithelium

32
Q

Where is the stratified columnar epithelium located? (2)

A
  1. Male urethra

2. Near the anus

33
Q

Why isnt stratified columnar epithelium in female urethras?

A

They need to be able to stretch in males

- change directions

34
Q

How many layers are there in stratified transitional epithelium?

A

Up to 10 layers

35
Q

What is the shape of stratified transitional epithelium?

A

Roughly cuboidal-shaped cells that distort to squamous shape when stretched

36
Q

What is the function of stratified transitional epithelium?

A

Protection

37
Q

Where is stratified transitional epithelium located?

A

Found in body areas subject to stress and that stretch

- eg) urinary bladder

Anatomy & Physiology (123 decks)

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