Chapter 6 - Integumentary System - Part 1 Flashcards Preview

Anatomy & Physiology 101 > Chapter 6 - Integumentary System - Part 1 > Flashcards

Flashcards in Chapter 6 - Integumentary System - Part 1 Deck (82)
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1
Q

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

A

Organ

2
Q

The largest organ in the body is the…

A

Skin

3
Q

The skin and its various accessory structures make up the…

A

Integumentary system

4
Q

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

A

Epidermal dendritic cells (Langerhans cells)

5
Q

The skin includes two distinct layers…

A

Epithelial tissue overlying connective tissue

6
Q

Outer layer of skin, composed of stratified squamous epithelium…

A

Epidermis

7
Q

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

A

Dermis

8
Q

Basement membrane is anchored to the…

A

Dermis

9
Q

Basement membrane separates the…

A

Dermis and epidermis

10
Q

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

A

Subcutaneous layer

11
Q

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

A

Parallel

12
Q

Insulates, helping to conserve body heat from the outside…

A

Adipose tissue of the subcutaneous layer

13
Q

Contains the major blood vessels that supply the skin…

A

subcutaneous layer

14
Q

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

A

Epidermis

15
Q

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

A

Stratum basale

16
Q

Cell membranes of older skin cells…

A

Keratinocytes

17
Q

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

A

Keratinocytes

18
Q

Keratinocytes begin to harden in a process called…

A

Keratinization

19
Q

Outermost layer of the epidermis

A

Stratum corneum

20
Q

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

A

Stratum lucidum

21
Q

The stratum lucidum may be missing where the epidermis is…

A

Thin

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

23
Q

Melanocytes produce…

A

Melanin

24
Q

Melanin provides…

A

Skin color

25
Q

Melanin absorbs…

A

Ultraviolet radiation in sunlight

26
Q

Melanocytes lie in the…

A

Stratum basale

27
Q

Long pigment-containing cellular extensions transfer melanin granules in melanosomes into neighboring keratinocytes by a process called…

A

Cytocrine secretion

28
Q

When the blood oxygen concentration is low, hemoglobin is dark red, and the skin appears bluish. This is a condition called…

A

Cyanosis

29
Q

Blood in the dermal vessels adds…

A

Color to the skin

30
Q

Increase the surface area where epidermal cells receive oxygen and nutrients from dermal capillaries…

A

Dermal papillae

31
Q

The dermis has two layers, upper and lower, called…

A

Papillary layer (upper), reticular layer (lower)

32
Q

Papillary layer of the dermis is composed of

A

Areolar connective tissue

33
Q

Reticular layer of the dermis is composed of…

A

Dense irregular connective tissue (that includes collagenous fibers and elastic fibers in a gel-like ground substance)

34
Q

Muscle fibers are contained in the…

A

Dermis

35
Q

Nerve cell processes are scattered throughout the…

A

Dermis

36
Q

Motor processes carry impulses to…

A

Dermal muscles and glands

37
Q

Sensory processes carry impulses away from-…

A

Specialized sensory receptors

38
Q

Lamellated corpuscles, a type of sensory receptor in the deeper dermis, responds to…

A

Heavy pressure

39
Q

This type of sensory receptor in the deeper dermis, senses light touch and texture…

A

Tactile corpuscles

40
Q

Other receptors called free nerve endings respond to…

A

Temperature changes, or to factors that can damage tissues and extend into the epidermis

41
Q

Accessory structures of the dermis include…

A

Blood vessels, hair follicles, sebaceous glands, and sweat glands

42
Q

Reverse

Organ

A

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

43
Q

Reverse

Skin

A

The largest organ in the body is the…

44
Q

Reverse

Integumentary system

A

The skin and its various accessory structures make up the…

45
Q

Reverse

Epidermal dendritic cells (Langerhans cells)

A

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

46
Q

Reverse

Epithelial tissue overlying connective tissue

A

The skin includes two distinct layers…

47
Q

Reverse

Epidermis

A

Outer layer of skin, composed of stratified squamous epithelium…

48
Q

Reverse

Dermis

A

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

49
Q

Reverse

Dermis

A

Basement membrane is anchored to the…

50
Q

Reverse

Dermis and epidermis

A

Basement membrane separates the…

51
Q

Reverse

Subcutaneous layer

A

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

52
Q

Reverse

Parallel

A

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

53
Q

Reverse

Adipose tissue of the subcutaneous layer

A

Insulates, helping to conserve body heat from the outside…

54
Q

Reverse

subcutaneous layer

A

Contains the major blood vessels that supply the skin…

55
Q

Reverse

Epidermis

A

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

56
Q

Reverse

Stratum basale

A

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

57
Q

Reverse

Keratinocytes

A

Cell membranes of older skin cells…

58
Q

Reverse

Keratinocytes

A

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

59
Q

Reverse

Keratinization

A

Keratinocytes begin to harden in a process called…

60
Q

Reverse

Stratum corneum

A

Outermost layer of the epidermis

61
Q

Reverse

Stratum lucidum

A

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

62
Q

Reverse

Thin

A

The stratum lucidum may be missing where the epidermis is…

63
Q

Reverse

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

A

Epidermis protective functions…

64
Q

Reverse

Melanin

A

Melanocytes produce…

65
Q

Reverse

Skin color

A

Melanin provides…

66
Q

Reverse

Ultraviolet radiation in sunlight

A

Melanin absorbs…

67
Q

Reverse

Stratum basale

A

Melanocytes lie in the…

68
Q

Reverse

Cytocrine secretion

A

Long pigment-containing cellular extensions transfer melanin granules in melanosomes into neighboring keratinocytes by a process called…

69
Q

Reverse

Cyanosis

A

When the blood oxygen concentration is low, hemoglobin is dark red, and the skin appears bluish. This is a condition called…

70
Q

Reverse

Color to the skin

A

Blood in the dermal vessels adds…

71
Q

Reverse

Dermal papillae

A

Increase the surface area where epidermal cells receive oxygen and nutrients from dermal capillaries…

72
Q

Reverse

Papillary layer (upper), reticular layer (lower)

A

The dermis has two layers, upper and lower, called…

73
Q

Reverse

Areolar connective tissue

A

Papillary layer of the dermis is composed of

74
Q

Reverse

Dense irregular connective tissue (that includes collagenous fibers and elastic fibers in a gel-like ground substance)

A

Reticular layer of the dermis is composed of…

75
Q

Reverse

Dermis

A

Muscle fibers are contained in the…

76
Q

Reverse

Dermis

A

Nerve cell processes are scattered throughout the…

77
Q

Reverse

Dermal muscles and glands

A

Motor processes carry impulses to…

78
Q

Reverse

Specialized sensory receptors

A

Sensory processes carry impulses away from-…

79
Q

Reverse

Heavy pressure

A

Lamellated corpuscles, a type of sensory receptor in the deeper dermis, responds to…

80
Q

Reverse

Tactile corpuscles

A

This type of sensory receptor in the deeper dermis, senses light touch and texture…

81
Q

Reverse

Temperature changes, or to factors that can damage tissues and extend into the epidermis

A

Other receptors called free nerve endings respond to…

82
Q

Reverse

Blood vessels, hair follicles, sebaceous glands, and sweat glands

A

Accessory structures of the dermis include…