Chapter 6 - Integumentary System - Part 1 Flashcards

1
Q

Two or more types of tissues grouped together and performing specialized functions is known as a…

A

Organ

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2
Q

The largest organ in the body is the…

A

Skin

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3
Q

The skin and its various accessory structures make up the…

A

Integumentary system

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4
Q

Play a role in initiating immune response by phagocytizing harmful microorganisms…

A

Epidermal dendritic cells (Langerhans cells)

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5
Q

The skin includes two distinct layers…

A

Epithelial tissue overlying connective tissue

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6
Q

Outer layer of skin, composed of stratified squamous epithelium…

A

Epidermis

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7
Q

Inner layer of skin, thick and made up of connective tissue…

A

Dermis

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8
Q

Basement membrane is anchored to the…

A

Dermis

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9
Q

Basement membrane separates the…

A

Dermis and epidermis

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10
Q

Beneath the dermis, where adipose and areolar tissue bind skin to underlying organs…

A

Subcutaneous layer

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11
Q

ost fibers of the subcutaneous layer run ____ to the surface of the skin.

A

Parallel

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12
Q

Insulates, helping to conserve body heat from the outside…

A

Adipose tissue of the subcutaneous layer

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13
Q

Contains the major blood vessels that supply the skin…

A

subcutaneous layer

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14
Q

Composed entirely of stratified squamous epithelium and therefore lacks blood vessels…

A

Epidermis

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15
Q

deepest layer of the epidermis, can grow and divide/receive nutrients from nearby blood vessels in dermis…

A

Stratum basale

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16
Q

Cell membranes of older skin cells…

A

Keratinocytes

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17
Q

Thicken and develop many desmosomes that fasten them to each other…

A

Keratinocytes

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18
Q

Keratinocytes begin to harden in a process called…

A

Keratinization

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19
Q

Outermost layer of the epidermis

A

Stratum corneum

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20
Q

Layer of epidermis that is in the thickened skin of the palms and soles…

A

Stratum lucidum

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21
Q

The stratum lucidum may be missing where the epidermis is…

A

Thin

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22
Q

Epidermis protective functions…

A

Shields the moist underlying tissues against excess water loss, mechanical injury, and the effects of harmful chemicals; keeps disease-causing microorganisms out

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23
Q

Melanocytes produce…

A

Melanin

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24
Q

Melanin provides…

A

Skin color

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25
Melanin absorbs...
Ultraviolet radiation in sunlight
26
Melanocytes lie in the...
Stratum basale
27
Long pigment-containing cellular extensions transfer melanin granules in melanosomes into neighboring keratinocytes by a process called...
Cytocrine secretion
28
When the blood oxygen concentration is low, hemoglobin is dark red, and the skin appears bluish. This is a condition called...
Cyanosis
29
Blood in the dermal vessels adds...
Color to the skin
30
Increase the surface area where epidermal cells receive oxygen and nutrients from dermal capillaries...
Dermal papillae
31
The dermis has two layers, upper and lower, called...
Papillary layer (upper), reticular layer (lower)
32
Papillary layer of the dermis is composed of
Areolar connective tissue
33
Reticular layer of the dermis is composed of...
Dense irregular connective tissue (that includes collagenous fibers and elastic fibers in a gel-like ground substance)
34
Muscle fibers are contained in the...
Dermis
35
Nerve cell processes are scattered throughout the...
Dermis
36
Motor processes carry impulses to...
Dermal muscles and glands
37
Sensory processes carry impulses away from-...
Specialized sensory receptors
38
Lamellated corpuscles, a type of sensory receptor in the deeper dermis, responds to...
Heavy pressure
39
This type of sensory receptor in the deeper dermis, senses light touch and texture...
Tactile corpuscles
40
Other receptors called free nerve endings respond to...
Temperature changes, or to factors that can damage tissues and extend into the epidermis
41
Accessory structures of the dermis include...
Blood vessels, hair follicles, sebaceous glands, and sweat glands
42
# Reverse Organ
Two or more types of tissues grouped together and performing specialized functions is known as a...
43
# Reverse Skin
The largest organ in the body is the...
44
# Reverse Integumentary system
The skin and its various accessory structures make up the...
45
# Reverse Epidermal dendritic cells (Langerhans cells)
Play a role in initiating immune response by phagocytizing harmful microorganisms...
46
# Reverse Epithelial tissue overlying connective tissue
The skin includes two distinct layers...
47
# Reverse Epidermis
Outer layer of skin, composed of stratified squamous epithelium...
48
# Reverse Dermis
Inner layer of skin, thick and made up of connective tissue...
49
# Reverse Dermis
Basement membrane is anchored to the...
50
# Reverse Dermis and epidermis
Basement membrane separates the...
51
# Reverse Subcutaneous layer
Beneath the dermis, where adipose and areolar tissue bind skin to underlying organs...
52
# Reverse Parallel
ost fibers of the subcutaneous layer run ____ to the surface of the skin.
53
# Reverse Adipose tissue of the subcutaneous layer
Insulates, helping to conserve body heat from the outside...
54
# Reverse subcutaneous layer
Contains the major blood vessels that supply the skin...
55
# Reverse Epidermis
Composed entirely of stratified squamous epithelium and therefore lacks blood vessels...
56
# Reverse Stratum basale
deepest layer of the epidermis, can grow and divide/receive nutrients from nearby blood vessels in dermis...
57
# Reverse Keratinocytes
Cell membranes of older skin cells...
58
# Reverse Keratinocytes
Thicken and develop many desmosomes that fasten them to each other...
59
# Reverse Keratinization
Keratinocytes begin to harden in a process called...
60
# Reverse Stratum corneum
Outermost layer of the epidermis
61
# Reverse Stratum lucidum
Layer of epidermis that is in the thickened skin of the palms and soles...
62
# Reverse Thin
The stratum lucidum may be missing where the epidermis is...
63
# Reverse Shields the moist underlying tissues against excess water loss, mechanical injury, and the effects of harmful chemicals; keeps disease-causing microorganisms out
Epidermis protective functions...
64
# Reverse Melanin
Melanocytes produce...
65
# Reverse Skin color
Melanin provides...
66
# Reverse Ultraviolet radiation in sunlight
Melanin absorbs...
67
# Reverse Stratum basale
Melanocytes lie in the...
68
# Reverse Cytocrine secretion
Long pigment-containing cellular extensions transfer melanin granules in melanosomes into neighboring keratinocytes by a process called...
69
# Reverse Cyanosis
When the blood oxygen concentration is low, hemoglobin is dark red, and the skin appears bluish. This is a condition called...
70
# Reverse Color to the skin
Blood in the dermal vessels adds...
71
# Reverse Dermal papillae
Increase the surface area where epidermal cells receive oxygen and nutrients from dermal capillaries...
72
# Reverse Papillary layer (upper), reticular layer (lower)
The dermis has two layers, upper and lower, called...
73
# Reverse Areolar connective tissue
Papillary layer of the dermis is composed of
74
# Reverse Dense irregular connective tissue (that includes collagenous fibers and elastic fibers in a gel-like ground substance)
Reticular layer of the dermis is composed of...
75
# Reverse Dermis
Muscle fibers are contained in the...
76
# Reverse Dermis
Nerve cell processes are scattered throughout the...
77
# Reverse Dermal muscles and glands
Motor processes carry impulses to...
78
# Reverse Specialized sensory receptors
Sensory processes carry impulses away from-...
79
# Reverse Heavy pressure
Lamellated corpuscles, a type of sensory receptor in the deeper dermis, responds to...
80
# Reverse Tactile corpuscles
This type of sensory receptor in the deeper dermis, senses light touch and texture...
81
# Reverse Temperature changes, or to factors that can damage tissues and extend into the epidermis
Other receptors called free nerve endings respond to...
82
# Reverse Blood vessels, hair follicles, sebaceous glands, and sweat glands
Accessory structures of the dermis include...