16. Skin System Flashcards

(97 cards)

1
Q

adipocyte

A

fat cell

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2
Q

albinism

A

Condition of skin deficient in pigment (melanin).

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3
Q

apocrine sweat gland

A

One of the large dermal exocrine glands located in the axilla and genital areas. It opens into the hair follicle and secretes sweat that, with bacteria, is responsible for human body odor.

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4
Q

basal layer

A

Deepest region of the epidermis; it gives rise to all the epidermal cells.

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5
Q

collagen

A

Structural protein found in the skin and connective tissue.

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6
Q

cuticle

A

Band of epidermis at the base and sides of the nail plate.

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7
Q

eccrine sweat gland

A

Most numerous sweat-producing exocrine gland in the skin.

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8
Q

dermis

A

Middle layer of the skin.

composed of blood vessels, lymph, nerve fibers and accessory organs; corium

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9
Q

epidermis

A

Outermost layer of the skin.

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10
Q

epithelium

A

Layer of skin cells forming the outer and inner surfaces of the body.

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11
Q

hair follicle

A

Sac within which each hair grows.

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12
Q

integumentary system

A

The skin and its accessory structures, such as hair and nails.

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13
Q

keratin

A

Hard protein material found in the epidermis, hair, and nails. Keratin means horn and commonly is found in the horns of animals.

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14
Q

lunula

A

Half-moon–shaped, whitish area at the base of a nail.

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15
Q

melanin

A

Skin pigment. It is formed by melanocytes in the epidermis.

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16
Q

pore

A

Tiny opening on the surface of the skin.

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17
Q

sebaceous gland

A

Oil-secreting gland in the dermis that is associated with hair follicles.

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18
Q

sebum

A

Oily substance secreted by sebaceous glands.

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19
Q

squamous epithelium

A

Flat, scale-like cells composing the epidermis.

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20
Q

Squamous cell

A

A type of epithelial cell in the epidermis

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21
Q

stratified

A

Arranged in layers.

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22
Q

stratum (plural: strata)

A

A layer (of cells).

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23
Q

stratum corneum

A

Outermost layer of the epidermis, which consists of flattened, keratinized cells.

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24
Q

subcutaneous layer

A

Innermost layer of the skin, containing fat tissue.

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25
Absence of hair from areas where it normally grows. | Baldness
Alopecia
26
Malignant tumour of pigmented cells that arise from a nevus (mole) in the skin
Melanoma
27
Pigmented lesion in or on the skin; a mole
Nevus
28
A pus-filled (purulent) infection of glands near the eyelid which is most often caused by bacteria.
Sty | Stye
29
Scabies
Contagious parasitic infection of the skin with intense pruritus (itching)
30
Urticaria
Allergic reaction in which red round wheals develop on skin; hives
31
caus/o, cauter/o
Burn, burning (combining form)
32
Subungual
Pertaining to under the nail
33
-ichthy/o, squam/o
Scaly (combining form)
34
Diaphoresis 
Profuse sweating
35
Scleroderma (scler/o = hardening, derm/o = skin)
Condition in which connective tissue in the skin hardens and shrinks
36
Collection of pus
Abscess
37
ichthy/o, xer/o
Dry
38
Collection of dried serum and cellular debris
Crust 
39
Hard thickened area of skin occurring in areas of friction or pressure
Callus | concentrate on spelling
40
Fungal infection of the skin
Dermatophytosis  ## Footnote (dermat/o = skin, phyt/o = plant, -osis = condition, usually abnormal)
41
Gangrene 
Death of tissue associated with loss of blood supply
42
Cyst  
Excessive development of hard, keratinized tissue
43
Xeroderma
Dry skin
44
Injury to tissue caused by heat contact
Burns
45
kerat/o
Hard
46
Ulcer 
Open sore on the skin or mucous membranes (deeper than an erosion)
47
Skin (combining form)
cutane/o, derm/o, dermat/o
48
Malignant tumor of the basal cell layer of the epidermis
Basal cell carcinoma 
49
Verruca
Epidermal growth caused by a virus; wart
50
Eczema 
Inflammatory skin disease with erythematous, pustular or papular lesions
51
Erythematous
Pertaining to redness of the skin
52
pil/o, trich/o
Hair
53
Keratosis 
Thickened, rough lesion of the epidermis associated with skin damage or aging
54
ichthy/o
Dry, scaly
55
Melanoma
Malignant tumor of pigmented skin cells
56
Leukoplakia
White plaques on mucus membranes of tongue or inner cheek
57
Pressure sores over a bony body part from lying in one position; bedsores
Decubitus ulcer 
58
Wheal 
Smooth edematous reddish papule or plaque that is centrally redder than surrounding skin; welt
59
Systemic lupus erythematosus (SLE)
Inflammatory disease of the joints and collagen of the skin with “butterfly rash”; can affect other body organs
60
Pertaining to under the skin
Hypodermal, Subcutaneous
61
Fissure  
Groove or crack-like sore
62
Dysplastic nevi 
Moles that can develop into malignant melanoma
63
-oma
Tumor; mass; fluid collection
64
myc/o
Fungus
65
Anhidrosis
Abnormal condition of lack of sweat
66
Cryosurgery
Destruction of tissue using intensely cold temperatures
67
Pyoderma
Pus within the skin
68
Dermabrasion
Surgical procedure to scrape away skin
69
Wearing away or loss of epidermis
Erosion
70
Pus-filled
Purulent
71
Onychomycosis
Abnormal condition of nail fungus
72
diaphor/o, hidr/o
Sweat
73
Blackhead
Open comedone
74
aque/o, hydr/o
Water
75
Pustule
Small abscess; papule containing pus
76
Xanthoma
Soft, yellow nodule on eyelids due to excess lipid deposits
77
Psoriasis 
Chronic recurrent dermatosis marked by silvery-grey scales covering red patches on the skin
78
Pruritus
Itching
79
Pilosebaceous
Pertaining to hair follicles and oil secreting glands
80
Epidermolysis
Loosening of the epidermis
81
Atrophy
Decrease in the size of normally developed organ or tissue of the body; wasting away
82
seb/o, sebac/o, steat/o
Sebum
83
Ecchymosis
Bluish-purple mark on the skin; bruises
84
Keloid
Thickened scar 
85
Acne  
Buildup of sebum in skin pores leading to papular and pustular eruptions
86
Petechiae 
Small, pinpoint hemorrhages
87
Seborrheic dermatitis
Inflammation of the skin with excessive secretion from sebaceous glands
88
onych/o, ungu/o
Nail
89
Paronychia
Inflammation of the soft tissue around a nail
90
Hypertrophy
Increase in the size of tissue or organ due to increase in the size of individual cells
91
Vesicle
Small collection of clear fluid; small blister
92
Plaque
Elevated flat patch on the skin
93
Tinea
A type of dermatophytosis
94
Sweat glands
Tiny coiled exocrine glands that perspire
95
Elastin
Protein that is elastic and helps skin retain its shape
96
Onycholysis
Loosening of the nail plate with separation from the nail bed
97
Perspiration
Sweat