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A and P > Week 2 Lab Ch 6 Histology > Flashcards

Week 2 Lab Ch 6 Histology Flashcards

0
Q

Name three functions of the epithelial tissue

A 
Covers 
Lining (respiratory tract)
Secretes (stomach lining)
Absorbs (intestine)
Forms glands ( sweat glands)
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1
Q

Name the 4 types of tissue

A

Epithelial connective muscle nervous

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2
Q

Epithelial cells are open to

A

Free space

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3
Q

Epithelial tissue is

A

Avascular

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4
Q

Epithelial cells are able to

A

Regenerate

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5
Q

Epithelial cells are attached to

A

Basement membrane

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6
Q

Name the three types of epithelial tissue

A

Squamous cuboidal columnar

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7
Q

If epithelial tissue is simple how many layers does it have

A

One layer

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8
Q

If epithelial tissue is stratified how many layers does it have

A

More then one layer

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9
Q

These cells look multilayered but they are just one cell thick squished together

A

Pseudostratified columnar

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10
Q

Name an example of pseudo stratified columnar

A

Goblet cells

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11
Q

Where are goblet cells and what do they produce

A

In trachea and produce mucous

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12
Q

This type of epithelial tissue looks like all different types of cells mixed together for the purpose of stretching

A

Transitional

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13
Q

Give an example of transitional epithelial tissue

A

Stratified squamous in bladder

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14
Q

Type of gland where secretions are released into the blood stream

A

Endocrine

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15
Q

Give an example of an endocrine secretion

A

Hormones

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16
Q

This type of gland secretes through a duct to a body cavity or onto the surface

A

Exocrine

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17
Q

Give an example of an exocrine secretion

A

Sweat

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18
Q

Most abundant tissue type

A

Connective

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19
Q

Give 5 functions of the connective tissue

A 
Bone
Blood 
Fat
Cartilage 
Ligaments
Collagen
Support
Protects
Blood transport 
Stores energy 
Insulates 
Protects
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20
Q

Connective tissue is derived from

A

Mesenchyme

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21
Q

Connective tissue is all vascular except

A

Tendons and ligaments

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22
Q

Connective tissue cells are surrounded by

A

Matrix

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23
Q

Name the 4 connective tissue proper

A

Loose areolar
Adipose
Reticular
Dense regular

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24
Q

Loose areolar is

A

Gel like

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25
Q

Adipose is

A

Fat

26
Q

Reticular tissue is found in

A

Organs that filter lymph and blood example spleen and lymph nodes

27
Q

Dense regular tissue are

A

Tendons and ligaments ( very tough and strong straight lines )

28
Q

Name the 4 classifications of connective tissue

A

Connective tissue proper
Bone
Cartilage
Blood

29
Q

What makes up blood

A 
White and red blood cells 
And plasma ( liquid matrix)
30
Q

What is the functions of muscle tissue

A

Movement

31
Q

Name the three types of muscle tissue

A

Skeletal
Smooth
Cardiac

32
Q

What are some characteristics of skeletal muscle

A

Voluntary connected at bone and multinucleated ( striped/ striated ) (bacon)

33
Q

What are some characteristics of cardiac muscle

A

Involuntary intercalated disks striations

Looks branched and striped

34
Q

What are intercalated disks

A

Allows heart to beat as 1 unit connects muscles

35
Q

What are some characteristics of smooth muscle

A

Involuntary internal organs not striated

36
Q

What is the function of nervous tissue

A

Generates electrical impulses to conduct information throughout the body

37
Q

Name the two types of nervous cells

A

Neuron and neuroglial

Neuron big blob with tail glial cells tiny dots

38
Q

What is the purpose of neurons

A

Conducts impulses

39
Q

What is the purpose of neuroglial cells

A

Support neurons

40
Q

Name the two structures of skin

A

Epidermis and dermis

41
Q

What is the epidermis

A

Superficial layer (epithelial tissue 5layers )

42
Q

What is the dermis

A

Deeper connective tissue

Glands nerves blood vessels

43
Q

What are the five layers of the epidermis from deepest to top

A 
Stratum basale 
Stratum spinosum 
Stratum granulosum 
Stratum lucidum 
Stratum corneum
44
Q

Describe the stratum basale

A

Deepest layer of epidermis
Mitosis (single layer of cells)
Melanocytes

45
Q

What are melanocytes

A

Produce melanin- color pigment

On a slide they done have color only their nucleus will have color the rest will be clear

46
Q

Describe the stratum spinosum

A

2 layer of epidermis
Spiny filaments
Keratinocytes

47
Q

What is keratinocytes

A

Produces keratin (elastic strong and water proof) protective protein found in all 5 layers

48
Q

Describe stratum granulosum

A

3 layer of epidermis cells contain abundant keratin granules, 2-3 layers of cells, very dark in color, are dying( have lots of keratin)

49
Q

Describe stratum lucidum

A

4 layer of epidermis single layer of transparent cells ( sometimes there depends on how thick the skin is- hands and feet)

50
Q

Describe stratum corneum

A

Superficial (top layer) of epidermis, keratinized and dead

51
Q

What are the two layers of the dermis

A

Papillary and reticular

52
Q

Describe papillary layer

A

Top layer of dermis, had dermal papillae that extend into the epidermis

53
Q

Describe reticular layer

A

Bottom layer of dermis

Contains blood vessels, nerves and glands

54
Q

Name the four structures found in the skin

A

Hair follicle
Arrector pili muscle
Cutaneous glands
Sensory receptors

55
Q

What is the Arrector pili muscle

A

Smooth muscle that surrounds hair and causes goose bumps

56
Q

What are the two types of cutaneous glands?

A

Sebaceous and sweat

57
Q

What is produced by the sebaceous gland

A 
Hair grease( sebum) 
Looks like big roundish ball of cells near hair follicle
58
Q

What are the two types of sweat glands

A

Eccrine and apocrine

59
Q

What is produced by the eccrine gland

A

Type of sweat gland (cutaneous) produces clear perspiration onto surface of skin
They are two cuboidal layered holes small lumen

60
Q

What is produced by apocrine glands

A

Types of cutaneous sweat glands that forms milky scented secretions. Empties into hair follicle ( axillary/ genitals) produces the smell.
Big lumen single layered

61
Q

Name two types of sensory receptors

A

Meissner’s corpuscle and pacinian corpuscle

62
Q

What is the meissner’s corpuscle

A

Sensory receptor found in the dermis but at it’s surface- soft touch receptor
(Looks like bean with zigzag in middle)

63
Q

What is the pacinian corpuscle

A

Sensory receptor for deep pressure found deep in dermis

Looks like an onions

A and P (8 decks)

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