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MEDICAL TERMINOLOGY > Chapter 5 Integumentary > Flashcards

Chapter 5 Integumentary Flashcards

1
Q

Function of integumentary system

A

Guard against loss of water, salts and body heat

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2
Q

How the integumentary system functions

A

Through the use of glands to produce secretions, nerves for pain, temperature, touch, and pressure. As well as maintain body temp through the use of blood vessels dilating or constricting

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3
Q

Three layers of the skin

A

Epidermis, dermis, subcutaneous layer

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4
Q

Two layers of the epidermis

A

Stratum corneum, basal layer

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5
Q

Epidermis

A

Outermost layer of skin mostly dead cells

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6
Q

Squam/o

A

Scale like

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7
Q

Epidermis does not have

A

Blood vessels or nerve receptors

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8
Q

Basal layer

A

Forms new skin cells

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9
Q

Melanocytes

A

Produce melanin

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10
Q

Melanin

A

Absorbs the suns up rays and protects against them

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11
Q

Individual who cannot produce melanin

A

Albino

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12
Q

-is

A

Noun ending

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13
Q

Dermis

A

Middle layer of integumentary system

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14
Q

Corium

A

Dermis

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15
Q

Dermis contains

A

Blood and lymphatic vessels, nerve fibers, hair follicles, sweat glands, sebaceous glands, connective tissue cells

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16
Q

Hypodermis

A

Subcutaneous layer

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17
Q

Subcutaneous layer

A

Protects the deep tissues of the body, stores energy and insulates from heat loss

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18
Q

Adip/o

A

Fat

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19
Q

Adipocytes

A

Form and store fat in the subcutaneous layer

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20
Q

Sebace/o

A

Sebum (oily section)

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21
Q

Sebaceous glands

A

Oil glands

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22
Q

Sudoriferous glands

A

Sweat glands

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23
Q

Exo-

A

Outside, outward

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24
Q

-crine

A

To secrete

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25
Exocrine glands
Secrete substances to outer surface rather than the blood stream
26
Two exocrine glands
Sebaceous glands, sudoriferous glands
27
Where are sebaceous glands located
Everywhere but the palms and soles and lips
28
Sebum
Oily substance contains lipids, lubricates skin, maintains moisture and destroys harmful organisms on the skin
29
Sebaceous glands are located next to and controlled by
Hair follicles, and sex hormones
30
Sudoriferous glands
Begin in the dermis and extends to the epidermis and secretes sweat through pores
31
Where are sweat glands the most prevalent
Palm of hands, soles of feet, forehead, and axillae
32
Axillae
Armpits
33
Hair shaft
Visible part of the hair
34
Hair root
Embedded in the dermis
35
Hair follicle
The root and it’s coverings
36
Papilla
At the bottom of hair follicle, a loop of capillaries enclosed in a covering
37
Alopecia
Baldness
38
Hair
Tightly fused network of cells filled with keratin
39
Keratin
Hard, fibrous protein
40
What produces hair color
Melanocytes in the hair follicle
41
Nails
Hard keratin plates that cover the dorsal surface of the last bone of each finger and toe
42
Keran/o
Hard
43
Nails are formed in
The nail root
44
Changes in nail growth and appearance
Can Indicate disease
45
Appearance and condition of the skin can provide clues to
Body conditions and dysfunctions
46
Lesions
Areas of skin that have been pathologically altered by injury, wound or infection
47
Localized
An area of a definitive size
48
Systemic
An area widely spread throughout the body
49
Primary skin lesions
Initial reaction to pathologically altered tissue
50
Secondary skin lesion
Changes that occur after the initial reaction as a result of infection, scratching, trauma, or various stages of a disease
51
Papule
Solid, elevated lesion less than 1cm in diameter
52
Nodule
Can be felt, larger and deeper than a papule, extends to dermis
53
Tumor
Solid, elevated lesion larger than 2cm in diameter
54
Wheal
Elevated, firm, rounded lesion with localized skin edema, paler in center and itches
55
Vesicle
Elevated fluid filled lesion less than 0.5 cm in diameter
56
Pustule
Small raised lesion that contains pus less than 1cm in diameter
57
Bulla
A vesicle or blister larger than 1cm in diameter
58
Excoriations
Liner scratch marks or traumatized abrasions of the epidermis
59
Fissure
Small slit or crack-like sore that extends to the dermal layer, can be caused by continuous inflammation and drying
60
Ulcer
An open sore or lesion that extends to the dermis and usually heals with scarring
61
First degree burn
Superficial burn to the epidermis, ex thermal burn, sunburn, or chemical burns, produces blisters
62
Erythema
Skin redness
63
Hyperesthesia
Hypersensitive feelings (touch, heat, or cold)
64
Second degree burns
Partial thickness,Damage the epithelial layer and part of the dermis produces fluid filled blisters
65
Third degree burns
Full thickness, epidermis and dermis are destroyed, subcutaneous layer is damaged, no reaction to stimuli, leaves charred white tissue
66
Dermatoplasty
Skin grafting
67
Benign
Non cancerous growth, usually don’t require removal unless size becomes an issue
68
Neoplasms
Abnormal growths of new tissue
69
Malignant
Cancerous growth, are invasive and can spread to other parts of the body (metastasize) and can become fatal
70
Tumors are graded upon
How closely they resemble normal tissue
71
Metastasis
Invasiveness
72
Androgen
Generic term for an agent (usually a hormone, such as testosterone or androsterone) that stimulates development of male characteristics
73
Ductule
Very small duct
74
Homeostasis
State of equilibrium of the internal environment of the body despite changes in the external environment
75
Synthesize
Forming a complex substance by the union of simpler compounds or elements

MEDICAL TERMINOLOGY (20 decks)

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