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A and P > Integumentary system > Flashcards

Integumentary system Flashcards

1
Q

membrane

A

a layer of connective tissue and a layer of epithelial tissue

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2
Q

synovial membranes

A

line the fibrous connective tissue capsules found in the joints of the skeletal system

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3
Q

synovial fluid

A

fluid secreted by the epithelial layer and server to reduce friction and wear to the bone ends during joint movement

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4
Q

mucous membranes

A

are made of a simple epithelial layer attached to a thin basement membranes
tracks that are open to the outside

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5
Q

serous membranes

A

are the epithelial membranes found in cavities that do not have opening to the external environment

like a balloon where the fluid does not touch outside of the serous container

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6
Q

mucus

A

mucous membranes secrete a thick, usually clear substance

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7
Q

example serous membranes

A

thoracic and abdominopelvic cavitites

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8
Q

serous membranes are continuous but folded into 2 distinct layers:

A

parietal layer
visceral layer
names will be slightly different depending on what organ they adhere too

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9
Q

parietal layer

A

lines the cavity

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10
Q

visceral layer

A

covers the organs

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11
Q

serous fluid

A

in the small space between the parietal and visceral layers which is secreted by the epithelial layer of membrane
provides lubrication to reduce friction between the two layers, which allows for smooth expansion, contraction, or movement of organs within the cavity

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12
Q

cutaneous membrane

A

is the body’s outer covering and the primary organ of the integumentary system
our skin
consists of a stratified layer of epithelial tissue attached to a thick connective tissue layer

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13
Q

pleura

A

in thoracic cavity, the serous membrane, protects the lungs as they expand and contract during breathing

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14
Q

peritoneum

A

abdominopelvic cavity, the serous membrane that lines the cavity and covers the organs

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15
Q

integumentary system

A

mainly skin, hair, and nail
cutaneous membrane
includes sudoriferous (sweat) glands, sebaceous (oil) glands, and general sensory receptors

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16
Q

Functions of skin:

A 
protection
temperature regulation
excretion and absorption
general sensory organ
synthesis of vitamin D
17
Q

Layers of skin

A

epidermis: made of epithelial tissue
dermal layer: connection tissue
hypodermis/subcutaneous layer: under cutaneous membrane

18
Q

Epidermis layers:

A 
Horny (stratum corneum) layer
clear or glassy layer (stratum lucidum)
granular layer (stratum granaulosum)
spiny layer (stratum spinosum)
germinating layer (stratum germinativum or stratum basale)
19
Q

accessory organs

A

hair and nail

located within the dermis or arise from that layer and protrude through the epidermal layer

20
Q

follicle

A

a tube that surrounds the root portion of each hair below the skin

21
Q

arrector pili

A

a small smooth muscle that attached to the side of each hair follicle contracts to raise the hair when we are cold or frightened

22
Q

2 specialized types of glands in dermis:

A

sebaceous glands

sudoriferous glands

23
Q

sebaceous glands

A

oil glands, secrete an oily or waxy fluid that keeps skin soft and pliable
non on palms or soles of feet

24
Q

sebum

A

oily secretion from these glands, keeps hair and the epidermis soft and pliable and inhibits the growth of certain bacteria

25
Q

sudoriferous glands

A

secrete sweat through the pores of the skins

26
Q

2 types of sudoriferous glands with differing distribution patterns and secretions

A

eccrine glands

aporcrine glands

27
Q

sensory (cutaneous) receptors of the skin

A

skin includes a wide variety of sensory organs that sensitive to general senses:
touch, temperature pain, vibration, and pressure

28
Q

Free nerves endings

A

most numerous and widespread of the cutaneous receptors, sensitive to light touch, light pressure, and temperature, with separate receptors being sensitive to heat and cold

29
Q

nociceptors (pain) receptors

A

a specialize type of free nerve endings that are highly sensitive to the chemicals released by damaged cells

30
Q

skins cells LOOK UP

A 
5 cells 
keratinocytes
langerhans cells 
melanocyte
merkel cell
melanin

A and P (7 decks)

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