Integumentary System Flashcards

1
Q

excessive keratinization, dryness, fish-scale like skin

A

ichthyosis

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2
Q

thick, ridged, & cracked skin; inherited

A

harlequin fetus

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3
Q

covered at birth with a thick, taut membrane that cracks & falls off in sheets

A

collodian baby

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4
Q

similar to collodian baby but the scaling persists & interferes with development of sweat glands & hair

A

lamellar ichthyosis

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5
Q

missing teeth; hair, nails, skin affected; hereditary

A

congenital ectodermal dysplasia

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6
Q

ectodermal dysplasia, cleft lip/palate, ectrodactyly

A

ectrodactyly-ectodermal dysplasia-clefting syndrome

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7
Q

most common benign neoplasms in infants, anterior near face

A

port-wine stain hemangioma

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8
Q

skin, hair, retina lack pigment; general & localized

A

albinism

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9
Q

excessive development of male breast tissue

A

gynecomastia

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10
Q

absence of nipples

A

athelia

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11
Q

absence of breasts

A

amastia

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12
Q

extra breast

A

polymastia

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13
Q

extra nipple

A

polythelia

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14
Q

supernumerary nipple

A

common in males & develop from extra mammary buds along mammary crest

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15
Q

absence of loss of scalp hair

A

alopecia

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16
Q

hair loss from failure of hair follicle development

A

congenital alopecia

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17
Q

excessive hairiness due to extra hair follicles

A

hypertrichosis

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18
Q

twisted & bent hairs; ectodermal defects

A

pili torti (familial)

19
Q

congenital absence of nails

A

aplastic anonychia

20
Q

natal teeth

A

erupted at birth (1/2000)

21
Q

pits/fissures in enamel of teeth

A

enamel hypoplasia

22
Q

cyst development in mandible, maxilla, or maxillary sinus from unerupted teeth

A

dentigerous cyst

23
Q

brown to gray-blue colored teeth due to odontoblasts fail to differentiate & poorly calcify dentin

A

dentinogenessi imperfecta

24
Q

vitamin D deficiency that causes impaired calcium absorption in intestines & ossification of epiphyseal cartilage plates

A

rickets

25
Q

common cause of dwarfism; bowed & short limbs & trunk, enlarged head

A

achondoplasia

26
Q

lethal skeletal dysplasia; respiratory failure causes death in infants within minutes of birth

A

thantophoric dysplasia

27
Q

excessive height & body proportions

A

gigantism

28
Q

enlargement of soft tissues, visceral organs, & bones of hands, face, & feet; bones can’t elongate

A

acromegaly

29
Q

growth retardation, mental deficiencies, skeletal abnormalities, deficiencies of fetal thyroid hormone

A

cretinism

30
Q

absence of pec major muscle

A

associated with Poland’s syndrome, absence of mammary gland, & syndactyly

31
Q

failure of normal muscle development leading to immobility of joints

A

arthrogryposis multiplex congenital

32
Q

incomplete expansion of lungs and pneumonitis

A

congenital absence of diaphragm

33
Q

injury to sternocleidomastoid during birth, fixed rotation of head; muscle becomes fibrous tissue & shortens

A

congenital torticollis (wryneck syndrome)

34
Q

absence of limb/s

A

amelia - suppression of limb bud development

35
Q

absence of part of limb/s

A

meromelia - disturbance of growth of limb

36
Q

absence of central digits from failure of digital rays to develop

A

cleft hand

37
Q

hand deviates laterally & ulna bows; failure of mesenchymal primordium of radius to form

A

congenital absence of radius

38
Q

short digits

A

brachydachyly

39
Q

supernumerary digits (inherited)

A

polydactyly

40
Q

failure of webs to degenerate between digits

A

cutaneous syndactyly

41
Q

notches between digital rays fail to develop; no separation of digits

A

osseus syndactyly

42
Q

lack of pre or post axial partition of limb muscles

A

hemimelia

43
Q

missing middle digits of hand

A

ectrodactyly