Chapter 21 - The Interaugmentary System Flashcards

1
Q

Derma

A

Skin

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2
Q

Cutaneous

A

Pertaining to the skin

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3
Q

Epidermis

A

Outermost portion of the skin consisting of 4-5 strata (layers) of epithelial cells.

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4
Q

Stratum basale

A

Deepest layer of the epidermis. Produces new cells

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5
Q

Keratin

A

Protein that thickens and toughens the skin

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6
Q

Stratum corneum

A

Outermost layer composed of flat, dead, protective cells that are constantly being shed and replaced.

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7
Q

Melanin

A

Produced by some cells in the epidermis. Pigment that gives skin color and protects against sunlight

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8
Q

Dermis

A

Layer beneath the epidermis. Contains connective tissue, nerves, blood vessels, lymphatics, and sensory receptors. Nourishes and supports the skin.

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9
Q

Subcutaneous layer

A

Beneath the dermis and is mainly composed of connective tissue and fat.

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10
Q

Sudoriferous gland

A

Sweat gland. Temperature regulation by releasing watery fluid that evaporates to cool the skin

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11
Q

Sebaceous gland

A

Releases oily fluid called sebum that lubricates the hair and skin and prevents drying.

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12
Q

Arrector pilli

A

Small muscle attached to the follicle that raises the hair to produce goose bumps.

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13
Q

Eponychium

A

Nail cuticle. Extension of the epidermis onto the nail.

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14
Q

Derm/o, dermat/o

A

Skin

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15
Q

Kerat/o

A

Keratin, horny layer of skin

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16
Q

Melan/o

A

Dark, black, melanin

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17
Q

Hidr/o

A

Sweat, perspiration

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18
Q

Seb/o

A

Sebum, sebaceous gland

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19
Q

Trich/o

A

Hair

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20
Q

Onych/o

A

Nail

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21
Q

Bulla

A

Raised, fluid filled lesion larger than a vesicle

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22
Q

Fissure

A

Crack or break in the skin

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23
Q

Macule

A

Flat, colored spot

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24
Q

Nodule

A

Solid, raised lesion larger than a papule; often indicative of a systemic disease

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25
Papule
Small, circular, raised lesion at the surface of the skin
26
Plaque
Superficial, flat, or slightly raised differentiated patch more than 1cm in diameter
27
Pustule
Raised lesion containing pus, often in a hair follicle or sweat pore
28
Ulcer
Lesion resulting from destruction of the skin and perhaps subcutaneous tissue
29
Vesicle
Small, fluid filled, raised lesion. A blister of bleb
30
Wheal
Smooth, rounded, slightly raised area often associate with itching, seen in urticaria (hives) such as that resulting from allergies
31
Dehiscence
Disruption of the wound layers
32
Evisceration
Protrusion of internal organs through the lesion.
33
Exudate
Wound drainage.
34
Sanguinous
Bloody wound drainage
35
Purulent
Pus containing wound drainage
36
Cicatrization
Scar formation
37
Keloids
Excess collagen formation during healing.
38
Debridement
Removal of dead or damaged tissue from a wound.
39
Eschar
Thick dark crust or scab
40
Escahotomy
Scab removal
41
FTSG
Full thickness skin graft
42
STSG
Split thickness skin graft
43
Superficial burn
Involves the epidermis only. Red, dry and minimal pain. Sunburn. First degree burn
44
Superficial partial thickness burn
Epidermis and a portion of the dermis. Reddens and blisters and is painful. Severe sunburn or scalding
45
Deep partial thickness
Epidermis and dermis. May blister with weeping surface or dry because of sweat gland damage. Scalding, hot grease or flame. Second degree burn.
46
Full thickness burn
Full skin and sometimes subcutaneous tissue and underlying tissue. Broken, dry and pale or charred. Skin grafting or loss of digit or limb. Third degree burn.
47
Pruritus
Itching
48
Atopic dermatitis
Eczema
49
Psoriasis
Chronic overgrowth (hyperplasia) of the epidermis
50
Pemphigus
Formation of bullae in the skin and mucous membranes. Caused by separation of the epidermal cells from the underlying layers. Autoimmune reaction to epithelial cells. Fatal unless treated by suppressing the immune system.
51
Lupus erythematosus (LE)
Chronic inflammatory autoimmune disease of the connective tissue.
52
Systemic lupus erytgematosus
More widespread form of LE that involves the skin and other organs. More prevalent in women.
53
Scleroderma
Disease of unknown cause. Thickening and tightening of the skin
54
Squamous cell carcinoma
Cancer of the epithelial cells. Painless, firm, red nodules or plaque that may develop surface scales, ulceration, or crusting. Tends not to metastasize. Surgical removal or with X-radiation or chemotherapy.
55
Basal cell carcinoma
Cancer of the epithelial cells. More than 75% of skin cancers. Usually appears as pearly smooth papule. Easily seen and do not metastasize. Cure rate at 95% after excision.
56
Malignant melanoma
Overgrowth of melanocytes. Most dangerous as it tends to metastasize. Lesions of variable color with irregular border. Good prognosis if recognized and removed before it enters the invasive stage.
57
Kaposi sarcoma
Once considered rare. Seen frequently is association with AIDS. Brownish areas on the legs. Become raised and firm as the tumor progresses.
58
Alopecia
Absence or loss of hair
59
Comedo
Plug of sebum. Often containing bacteria in a hair follicle. A blackhead.
60
Dyskeratosis
Abnormality in keratin formation in epithelial cells
61
Eccymosis
Collection of blood under the skin
62
Ersipelas
Acute infectious skin disease with redness and swelling
63
Mycosis fungoides
Rare malignant disease that originates in the skin and involves the internal organs and lymph nodes. Large painful ulcerating tumors.
64
Urticaria
Skin reaction marked by temporary, smooth, raised areas associated with itching. Hives.
65
Verruca
Epidermal tumor. A wart
66
Xeroderma pigmentosum
Fatal hereditary disease that begins in childhood with skin discolorations and ulcers. Muscle atrophy. Increased sensitivity to sunlight. Increased susceptibility to cancer.
67
Skin turgor
Resistance to skin deformation. Evidenced by the skin to return to position when pinched.