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Dental Boards Review > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

Integumentary refers to

A

SKIN

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2
Q

Functions of Integumentary system

A 
Protection
Synthesis
Sensation
Homeostasis
Thermoregulation
Excretion
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3
Q

BQ. Largest organ in the body

A

Skin

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4
Q

BQ. Largest internal organ of the body

A

Liver

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5
Q

Skin is capable of having Thermoregulation due to?

A

Arterovenous anastomoses

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6
Q

Main function of Vit. D

A

Calcium absorption

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7
Q

Define Homeostasis

A

Balance of the internal and external environment of the body

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8
Q

Major layers of the Skin

A

Epidermis

Dermis

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9
Q

Other name for epidermis

A

epithelial tissue

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10
Q

Epithelial lining of the skin

A

keratinized stratified squamous

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11
Q

T/F: Epidermis has no blood supply

A

false

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12
Q

T/F: Epidermis has blood vessels

A

False

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13
Q

receptor present in Epidermis

A

Free nerve endings

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14
Q

Layers of Epidermis (innermost to outermost)

A 
BASALE
SPINOSUM
GRANULOSUM
LUCIDUM
CORNEUM
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15
Q

Layer of epidermis with the highest mitotic activity

A

Basale

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16
Q

What proteins are present in Basale?

A

Keratin

Melanin

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17
Q

Other name for Basale

A

Germinativum

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18
Q

Other name for Spinosum

A

Spinous cell layer

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19
Q

layer of epidermis that contains lipids and hydrolytic enzymes

A

Spinosum

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20
Q

granules present in Granulosum

A

keratohyaline

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21
Q

protein present in Lucidum

A

Eledin

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22
Q

Layer present only in Palm and Soles

A

Lucidum

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23
Q

outermost layer that contains SQUAMES

A

Corneum

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24
Q

2 layers with mitotic activity

A

Basale and Spinosum

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25
Q

This layer contains the stratum Basale and Spinosum

A

Malphigian layer

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26
Q

Thickest stratum in THICK skin

A

Lucidum

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27
Q

Thickest stratum in THIN skin

A

Corneum

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28
Q

SUQAMES produces?

A

dead skin

29
Q

Main cell of epidermis

A

Keratinocytes

30
Q

Melanocyte is mainly found in what stratum?

A

BASALE

31
Q

responsible for pigmentation of skin

A

Eumelanin

32
Q

The only immunity cell of the skin

A

Langerhan cells

33
Q

Langerhan cells is mainly found in what stratum?

A

Spinosum

34
Q

Langerhan is produced where?

A

Bone marrow

35
Q

the mechanoreceptor of the skin

A

Merkel cells

36
Q

Thin, fibrous, extracellular matrix of tissues that separated the lining of epidermis and dermis

A

Basement membrane

37
Q

Basement membrane is found beneath what stratum?

A

Basale

38
Q

other names for dermis

A

Lamina propia

Connective tissue

39
Q

protein abundant in Dermis

A

collagen

40
Q

Most abundant protein in the body

A

Collagen

41
Q

Layers of Dermis

A

Papillary

Reticular

42
Q

moderaty dense irregular CT with THIN collagenous bundle

A

Papillary

43
Q

dense connective tissue with THICK collagenous bundle

A

Reticular

44
Q

Layer of dermis responsible for THUMBMARK

A

Papillary

45
Q

the attachment of epidermis and dermis is via?

A

Hemidesmosome

46
Q

attachment of papillary and reticular layers is via?

A

Desmosome

47
Q

Difference bet. Hemidesmosome and Desmosome

A

Hemidesmosome- attachment of 2 diff. type of cell

Desomosome- attachment of same type of cells

48
Q

The junction of epidermis and dermis layer is called?

A

Rete pegs

49
Q

BQ. Shape of rete pegs

A

Scalloped/ wave

50
Q

Glands of Dermis

A

Sebaceous
Eccrine
Apocrine

51
Q

Gland that produces sebum (fats)

A

Sebaceous

52
Q

Location of Sebaceous gland in the body

A

Entire body except Palm and Sole

53
Q

Gland involve in regulating body temperature

A

Eccrine gland

54
Q

Location of Eccrine gland

A

Entire body except lips and external genitalia

55
Q

Excretion of fluid with destruction of the cells

A

Holocrine type

56
Q

Type of excretion in Eccrine gland

A

Merocrine type

57
Q

Type of gland secretion in which the top of the cell is lost during secretion

A

Apocrine type

58
Q

Gland ass. with hair follicle and triggered when there is emotional stress

A

Appocrine

59
Q

Location of Apocrine in the body

A

Axilla
Mons pubis
areola
peri anal region

60
Q

Musle found at the base of hair follicle

A

Arrector Pili Muscle

61
Q

compensation of the body to cold temperature

A

contraction of arrector pili muscle by causing the hair follicle to stand up straight for it to generate heat

62
Q

BQ. Muscle responsible for goosebumps

A

Arrector pili muscle

63
Q

What are the sensory nerve ending?

A 
Free nerve endings
Pacinian corpuscles 
Meissner corpuscles
Ruffini
End bulb of Krause
64
Q 
Sensory nerve endings for 
heat?
cold?
pain? heavy touch
pain? light touch
pain?
A 
Ruffini
End bulb of Krause
Pacinian
Meissner
Free nerve endings
65
Q

otherwise known as subcutaneous

A

Hypodermis

66
Q

Fats in hypodermis is responsible for?

A

Insulation

67
Q

What are the accessory integumentary of the body?

A

Nailbeds

hair follicle

68
Q

Most abundant protein in the skin

A

Keratin

Dental Boards Review (34 decks)

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