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HUMAN ANATOMY AND PHYSIOLOGY WITH PATHOPHYSIOLOGY > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

the superficial layer of the skin, consisting of stratified squamous epithelial tissue

A

Epidermis

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2
Q

reduces water loss through the skin

A

Epidermis

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3
Q

protects against the potential damage from abrasion on the skins surface

A

Epidermis

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4
Q

what are the functions of epidermis

A
  • protects against the potential damage from abrasion
  • reduces water loss through the skin
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5
Q

contains no blood vessels = avascular region

A

Epidermis

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6
Q

what are the cells of epidermis

A

keratinocytes
melanocytes
langerhan cells
merkel cells

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7
Q

produce a protein mixture (keratin)

A

keratinocytes

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8
Q

produces the pigment melanin

A

melanocytes

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9
Q

it is part of the immune system

A

Langerhan cells

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10
Q

it is a specialized epidermal cells associated with the nerve end responsible for detecting light and superficial presuure

A

merkel cells

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11
Q

what are the five strata of epidermis

A

stratum corneum
startum lucidum
stratum granulosum
stratum spinosum
stratum basale

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12
Q

It is the outermost layer of the epidermis and it is keratinized

A

Stratum corneum

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13
Q

present only in thick skin
appears transparent
disperses keratohyalin around keratin fibers

A

Stratum lucidum

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14
Q

contains a waterproofing glycolipid and others contain subunits of keratin

A

Stratum granulosum

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15
Q

also known as spiny layer

A

stratum spinosum

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16
Q

it is the deepest layer of the epidermis where tissues are continuous to divide

A

stratum basale (stratum germinativum)

17
Q

has all five strata of epidermis

A

thick skin

18
Q

covers the rest of the body, more flexible than thick skin, and hair is found only in this..

A

thin skin

19
Q

is it generally absent in thin skin

A

Stratum lucidum

20
Q

Irregular shaped cells with many long processes that extend between the keratinocytes of the stratum basale and stratum spinosum

A

Melanocytes

21
Q

A recessive genetic trait that results from an inability to produce tyrosinase

A

Albinism

22
Q

What is carotene?

A

a yellow pigment found in plants (carrots and corn)

23
Q

A condition in which the skin turns to a reddish hue when the amount of blood flowing through the skin increases

A

Erythema

24
Q

A bluish skin color following a decrease in blood flow

A

Cyanosis

25
Q

For pain, itch, tickle, and temperature sensations

A

Free nerve ending

26
Q

For light touch

A

Hair follicle receptors

27
Q

For deep pressure

A

Pacinian corpuscle

28
Q

For detecting simultaneous stimulation at two points on the skin

A

Meissner corpuscle

29
Q

For sensing continuous touch or pressure

A

Ruffini end organs

30
Q

what are the tissue layers of dermis

A

Papillary
Reticular

31
Q

what are the cells of the dermis

A

Fibroblast
Adipocytes
Macrophages

32
Q

collagen, elastic and reticular

A

Fibers

33
Q

a connective tissue that contains blood vessels that allow for nutrients and waste exchange to the cells

A

Dermis

34
Q

projections on the upper part of the dermis which extend toward dermis

A

Dermal papillae

35
Q

Loose connective tissue with thin fibers

A

Papillary layer

36
Q

Dense irregular connective tissue and it is the main layer of the dermis

A

Reticular layer

37
Q

Lines that are visible through the epidermis when the skin is overstretched and damages the dermis

A

Stretch marks

38
Q

A layer of loose connective tissue with collagen and elastic fiber

A

Hypodermis (Subcutaneous tissue)

39
Q

Types of hair and its classification

A

Lanugo Hair
-delicate, unpigmented
-developed and covered the fetus by the fifth or sixth month of fetal development

Terminal hair
- long, coarse, and pigmented
-replace the lanugo of the scalp, eyelids and eyebrows near time of birth

Vellus Hair
- short, fine, unpigmented
- replace the lanugo and the rest of the body

HUMAN ANATOMY AND PHYSIOLOGY WITH PATHOPHYSIOLOGY (11 decks)

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