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Evolutionary Biology and Comparative Anatomy > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

label the skin

A

grade yourself accordingly

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2
Q

contains sensory organs that detect arriving stimuli from the external environment

A

integumentary system

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3
Q
A
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4
Q

the integumentary system makes up what percent of the body weight

A

15-20 percent

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5
Q

largest organ of the body

A

integumentary system

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6
Q

Functions of the integumentary system (5)

A

barrier
homeostatic
sensory
secretory
excretory

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7
Q

agents that the skin can act against as

A

physical
chemical
biological

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8
Q

prevents water loss and regulates body temperature

what function of the skin

A

homeostatic

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9
Q

can sense touch, pain, and pleasure sensitivity

what function of the skin

A

sensory

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10
Q

converts precursor molecules to vitamin D, lubricants for hair pheromones

what function of the skin

A

secretory

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11
Q

Two layers of the integumentary system

A

epidermis
dermis

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12
Q

surface layer of the skin

A

epidermis

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13
Q

its invagination forms skin glands, both exocrine and endocrine glands

A

epidermis

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14
Q

Interaction of dermis and epidermis forms specialized structures such as (4)

A

teeth
feathers
hair
scales

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15
Q

outermost layer of the frog skin, differentiated into two

A

epidermis

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16
Q

two layers of epidermis in frog skin

A

stratum germinativum
stratum corneum

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17
Q

innermost layer of the epidermis

A

stratum germinativum

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18
Q

outermost layer of the epidermis

A

stratum corneum

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19
Q

deep layer of the frog skin

A

dermis

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20
Q

layer of dermis in frogs

A

stratum spongiosum
stratum compactum
subcutaneous layer

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21
Q

lies immediately below the stratum
germinativum

A

stratum spongiosum

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22
Q

specialized structures associated with stratum spongiosum (3)

A

melanophores
mucous glands
poison glands

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23
Q

lines the stratum spongiosum, a specific type of chromatophore (

A

melanophore

24
Q

pigment cell

A

chromatophore

25
Q

produces a brown or black pigment

A

melanophore

26
Q

secretes a slimy secretion

A

mucous glands

27
Q

part of the mucous gland open onto the surface

A

mouth

28
Q

part of the mucous gland is a duct leading to the mouth from the body or fundus

A

neck

29
Q

secrete toxic substances, only present in poisonous amphibians

A

poison glands

30
Q

thickest layer in frogs skin, made up of connective tissue fibers which are arranged horizontally

A

stratum compactum

31
Q

the deep extension of the dermis, usually containing adipose tissue

A

subcutaneous layer

32
Q

label the frog’s skin

A

grade yourself accordingly

33
Q

the outermost layer of the skin, differentiated into 5 layers

A

epidermis

34
Q

innermost layer, where cells are produced continually and migrate towards the surface

A

stratum basale/germinativum

35
Q

skin layer where mitosis occurs

A

stratum basale/germinativum

36
Q

immediately superficial to stratum basale

A

stratum spinosum

37
Q

a granular layer peripheral to the stratum spinosum

A

stratum granulosum

38
Q

third layer, lies just above the stratum granulosum, this layer occurs only in thick skin, also immediately deep to the stratum corneum

A

stratum lucidum

39
Q

outer layer of cells with cornified cytoplasm

A

stratum corneum

40
Q

gland that arise from the walls of the hair follicle

A

sebaceous glands

41
Q

gland that has coiled tube, numerously distributed within the dermal layer

A

sweat glands/sudoriferous glands

42
Q

tiny dandles of smooth muscle associated with hair follicles

A

arrector pili muscle

43
Q

exposed part of the hair

A

hair shaft

44
Q

the pit in the skin from which each hair springs

A

hair follicle

45
Q

– situated at the bottom of the hair follicle

A

hair bulb/papilla

46
Q

innermost layer, thickest layer of the skin, differentiated into 3 layers:

A

dermis

47
Q

3 layers of dermis

A

papillary layer
reticular layer
subcutaneous layer

48
Q

contains many small finger-like projections called papillae, marking the upper region of the dermis projecting into the epidermis

A

papillary layer

49
Q

finger-like projections

A

papillae

50
Q

region below the papillary layer

A

reticular layer

51
Q

the deep extension of the dermis, usually including adipose tissue

A

subcutaneous layer

52
Q

label the epidermal derivatives

A

grade yourself accordingly

53
Q

label the layers of the skin

A

grade yourself accordingly

54
Q

organelles that gives off melanin

A

melanosomes

55
Q

layers of the skin

A

corneum
lucidum
granulosum
spinosum
basale

Evolutionary Biology and Comparative Anatomy (21 decks)

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