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Trans-Cell-Integ-Skel-Imbag > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

is the part of the hair that is above the skin.

A

Shaft

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2
Q

Simple, coiled, tubular glands that open directly
onto the surface of the skin through sweat pores

A

Eccrine Sweat Glands

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3
Q

thick, coarse hair that grows on your
scalp and makes up your eyelashes and eye brows.
After puberty, terminal hair may also grow on your
face, armpits, pubic area, chest and belly.

A

Terminal Hairs

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4
Q

Two regions of the Dermis

A

Papillary Region
Reticular Region

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5
Q

surrounds the medulla and forms the
bulk of the hair

A

Cortex

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6
Q

Functions of Integumentary System

A

 Regulated body temperature
 Stores blood
 Protects the body from external environment
 Detects Cutaneous sensations
 Excretes and Absorbs Substances
 Synthesizes Vitamin D

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7
Q

Composed of keratinized stratified squamous
epithelium

A

Epidermis

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8
Q

Layers of the Epidermis (Deep to Superficial)

A

Stratum Basale
Stratum Spinosum
Stratum Granulosum
Stratum Lucidum
Stratum Corneum

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9
Q

Intraepidermal macrophages and
projections of melanocytes are present in
this layer

A

Stratum Spinosum

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10
Q

forms fingerprints and footprints

A

Dermal Papillae

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11
Q

The least numerous of the epidermal cells. They
are located in the deepest later of the epidermis

A

Tactile Epithelial Cells

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12
Q

Consist of 4-5 layers of flattened
keratinocytes that are undergoing
apoptosis

A

Stratum Granulosum

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13
Q

lies below the surface of the skin

A

Root

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14
Q

central axis of the hair

A

Medulla

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15
Q

an oily, white substance rich in lipids. A
lubricant

A

Sebum

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16
Q

2 stages in hair growth

A

growth and resting stage

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17
Q

assembles keratin
intermediate filaments into keratin

A

Keratohyalin

18
Q

2 types of sweat glands

A

Eccrine Sweat Glands
Apocrine Sweat Glands

19
Q

a tough, fibrous protein that helps
protect the skin and underlying tissues from
abrasions, heat, microbes, and chemicals.

A

Keratin

20
Q

Mat of collagen and elastic fibers; consist of dense
irregular connective tissue as well as blood vessels,
sweat and oil glands, and deep pressure receptors
called Lamellar Corpuscles

A

Reticular Region

21
Q

Functions of Hair

A

 Hair on the head guards the scalp from injury and the
sun’s rays
 It decreases heat loss from the scalp
 Eye browns and eye lashes protect the eyes from
foreign particles
 Hair in the nostrils protect the respiratory tract from
foreign substances
 Sensing light touches

22
Q

four principal types of cells in epidermis

A

o Keratinocytes (90%)
o Melanocytes (8%)
o Intraepidermal Macrophages
o Tactile Epithelial Cells

23
Q

is a thin plate consisting of layers of dead
stratum corneum cells that contain a very hard type
of Keratin

A

nail

24
Q

Consist on average of 25 to 30 layers of
flattened dead keratinocytes

A

Stratum Corneum

25
Q

Deepest layer of the Epidermis

A

Stratum Basale

26
Q

Produce the pigment melanin

A

Melanocytes

27
Q

produce
melanin and pass it to keratinocytes in the hair cortex
and medulla.

A

Melanocytes within the hair bulb matric

28
Q

Main types of cells in Subcutaneous Tissue

A

Fibroblasts
Adipocytes
Macrophages

29
Q

a single layer of cells also containing
hard keratin

A

Cuticle

30
Q

Present only in thick and hairless skin

A

Stratum Lucidum

31
Q

fine, soft, unpigmented hair that is often
present in the fetuses, newborns, and certain
diseases states

A

Lanugo

32
Q

The second, deeper part of the skin

A

Dermis

33
Q

Functions of Subcutaneous Tissue

A

Insulation
Padding
Source of energy

34
Q

Superficial portion of the dermis (about 1:5)

A

Papillary Region

35
Q

Attaches the skin to underlying bone and muscle and
supplies the skin with blood vessels and nerves

A

Subcutaneous Tissue

36
Q

Simple, coiled, tubular glands that open into hair
follicles superficial to the opening of the
sebaceous glands

A

Apocrine Sweat Glands

37
Q

Their ducts usually empty into a hair follicle, but
some open directly onto the skin surface

A

Glands

38
Q

Langerhans Cells

A

Intraepidermal Macrophages

39
Q

dine, short hair that grows allover your
body, including your face, stomach, arms, and legs.
This helps regulate the body temperature and
protects the skin.

A

Vellus hair

40
Q

A nail consists of…

A

the proximal Nail Root and the
distal Nail Body

41
Q

Two parts of Eccrine Sweat Glands

A

Deep, coiled portion- located mostly in the
dermis
Duct- passes to the skin surface

42
Q

Located in the dermis, are simple or compound
alveolar glands that produce Sebum

A

Sebaceous Glands

Trans-Cell-Integ-Skel-Imbag (4 decks)

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