Integumentary Flashcards

0
Q

The specialized accessory structures of the skin

A

Adnexae

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1
Q

Part of dispersed neuroendocrine system; cells of basal layer which act as mechanoreceptors and help regulate epidermal and adnexal function, tactile sensation in lower animals

A

Merkel’s cells

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2
Q

Increased thickness of stratum corneum

A

Hyperkaratosis

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3
Q

Normal loss of nuclei in keratinized cells

A

Orthokeratotic hyperkaratosis

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4
Q

Nuclei retained in keratinized cell

A

Parakeratotic hyperkaratosis

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5
Q

Increased number of cells in stratum spinosum

A

Acanthosis

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6
Q

Regular downward projections of epidermis

A

Psoriasiform hyperplasia

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7
Q

Upward projections of stratum spinosum towards surface

A

Papillated epidermal hyperplasia

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8
Q

Dysplasia in early stages of squamous cell carcinoma; or appearance which mimics early neoplasia

A

Pseudoepitheliomatous hyperplasia

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9
Q

Premature or abnormal keratinization of stratum spinosum

A

Dyskeratosis

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10
Q

Decreased number of cells

A

Hypoplasia

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12
Q

Decreased size of cells

A

Atrophy

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13
Q

Loss of cohesion between keratinocytes due to antibodies against desmosomes

A

Acantholysis

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14
Q

Fluid-filled cavities (vesicles < 5mm, bullae > 5mm)

A

Vesicles/bullae

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15
Q

Migration of RBC or leukocytes into epidermis

A

Exocytosis

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16
Q

Microabscesses; vesicles filled with inflammatory cells

A

Pustules

17
Q

Dried exudate, not diagnostic but may contain diagnostic elements such as bacteria, fungi, etc

A

Crusts

18
Q

Decreased pigmentation on hair

A

Leukotrichia

19
Q

Decreased pigmentation in skin

A

Leukoderma

20
Q

Increased fibrous tissue

A

Fibroplasias

21
Q

Inherited abnormalities of collagen metabolism

A

Collagen dysplasia

22
Q

Chronic response to UV light, abnormal elastin production

A

Solar elastosis

23
Q

Dissolution of collagen fibers

A

Collagen lysis

24
Q

A hard waxy deposit consisting of protein and polysaccharides that results from the degeneration of tissue

A

Amyloid

25
Q

Inflammatory infiltrate surrounding the hair follicles, usually occurring in conjunction with folliculitis

A

Perifolliculitis

26
Q

Inflammation of a follicle, especially of a hair follicle

A

Folliculitis

27
Q

When follicular wall ruptures.

A skin condition characterized by the development of recurring boils

A

Furunculosis

28
Q

Inflammation of the sebaceous gland

A

Sebaceous adenitis

29
Q

Inflammation of the sweat glands; inflammation of apocrine glands

A

Hidradenitis

30
Q

Inflammation of the subcutaneous fat, esp of the abdominal wall

A

Panniculitis

31
Q

Axillary hyperpigmentation and alopecia; an eruption of velvety wart-like growths accompanied by hyperpigmentation in the skin of the armpits, neck, anogenital area, and groin

A

Acanthosis nigricans

32
Q

Absence/hair loss from normally haired site

A

Alopecia

33
Q

Reduced amount of hair

A

Hypotichia

34
Q

Groups of ‘mechanubollous’ diseases causing blisters; Any of a group of inherited chronic noninflammatory skin diseases in which large blisters and erosions develop after slight trauma

A

Epidermolysis bullosa

35
Q

Failure of development of skin/adnexae and oral epithelium

A

Epitheliogenesis imperfecta (aplasia cutis)

36
Q

Excess hair growth

A

Hypertrichosis

37
Q

A congenital, often hereditary skin disease marked by dry, thickened, scaly skin. Also called fishskin disease

A

Ichthyosis

38
Q

Papules/crusts on ventral abdomen and inner thigh; lesions progress to umbilicated plaques with white centers and red borders

A

Porcine pityriasis rosea (psoriasiform dermatitis)

39
Q

Inflammation of the skin of the extemities

A

Acrodermatitis