Ch. 5 Test #2

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22 Terms

1
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epithelial

protection, secretion, absorption, excretion ➡ sweat, waste

2
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where is epithelial located

it covers body surfaces, cover and line internal organs (on body cavity), compose glands

3
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distinguishing characteristics of epithelial tissue

lack blood vessels, readily divide; cells are tightly packed

4
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simple squamous

  • 1 layer, flat

  • diffuse quickly

  • found in: lungs, capillaries, blood vessels, lymph vessels

<ul><li><p>1 layer, flat </p></li><li><p>diffuse quickly </p></li><li><p>found in: lungs, capillaries, blood vessels, lymph vessels </p></li></ul><p></p>
5
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simple columnar

  • 1 layer, rectangular

  • some have cilia ➡ provides movement, protection

  • microvilli: small hair-like structures

  • some have goblet cells ➡ produces mucus

  • found in: female reproductive tract, digestive tract

<ul><li><p>1 layer, rectangular</p></li><li><p>some have cilia <span data-name="arrow_right" data-type="emoji">➡</span> provides movement, protection</p></li><li><p>microvilli: small hair-like structures </p></li><li><p>some have goblet cells <span data-name="arrow_right" data-type="emoji">➡</span> produces mucus</p></li><li><p>found in: female reproductive tract, digestive tract</p></li></ul><p></p>
6
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simple cuboidal

  • 1 layer, tightly packed, cube-shape

  • it stores things, secretion, absorption

  • lumen is found

  • found in: ovaries, kidneys, ducts of glands

  • has nucleus

<ul><li><p>1 layer, tightly packed, cube-shape </p></li><li><p>it stores things, secretion, absorption</p></li><li><p>lumen is found </p></li><li><p>found in: ovaries, kidneys, ducts of glands </p></li><li><p>has nucleus </p></li></ul><p></p>
7
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stratified squamous

  • many layers of flat cells

  • keratin - harden cells

  • keratinized = hardened

  • non-keratinized = not hardened

  • it works their way up

  • found in: epidermis, mouth, esophagus, anal canal, vagina

  • ⬆ they are non-keratinized so they need protection from this tissue

<ul><li><p>many layers of flat cells</p></li><li><p>keratin - harden cells </p></li><li><p>keratinized = hardened </p></li><li><p>non-keratinized = not hardened </p></li><li><p>it works their way up </p></li><li><p>found in: epidermis, mouth, esophagus, anal canal, vagina</p></li><li><p> <span data-name="arrow_up" data-type="emoji">⬆</span> they are non-keratinized so they need protection from this tissue </p></li></ul><p></p>
8
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stratified cuboidal

  • 2 or 3 layers

  • provides protection

  • found in mammary, glands (sweat, salivary), pancreas, reproductive

<ul><li><p>2 or 3 layers </p></li><li><p>provides protection </p></li><li><p>found in mammary, glands (sweat, salivary), pancreas, reproductive </p></li></ul><p></p>
9
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stratified columnar

  • many layers, rectangular and cube-shape

  • found in: male urethra

<ul><li><p>many layers, rectangular and cube-shape </p></li><li><p>found in: male urethra </p></li></ul><p></p>
10
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pseudostratified ciliated columnar

  • fake layers - appear stratified but not

  • has cilia

  • found in: respiratory system

<ul><li><p>fake layers - appear stratified but not </p></li><li><p>has cilia </p></li><li><p>found in: respiratory system </p></li></ul><p></p>
11
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transitional

  • it changes shape ➡ when it responds to tension

  • found in: urinary tract bladder

  • Ex: changes shape when urine fills up the bladder

<ul><li><p>it changes shape <span data-name="arrow_right" data-type="emoji">➡</span> when it responds to tension </p></li><li><p>found in: urinary tract bladder </p></li><li><p>Ex: changes shape when urine fills up the bladder </p></li></ul><p></p>
12
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dense regular

  • closely packed

  • they have poor blood supply

  • makes up our: ligaments, tendons

  • has fibroblasts, thick collagen fibers

  • binds body parts together

  • supports, protects, and holds bones, muscles, and other tissues and organs in place

<ul><li><p>closely packed</p></li><li><p>they have poor blood supply</p></li><li><p>makes up our: ligaments, tendons</p></li><li><p>has fibroblasts, thick collagen fibers</p></li><li><p>binds body parts together</p></li><li><p>supports, protects, and holds bones, muscles, and other tissues and organs in place</p></li></ul><p></p>
13
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adipose

  • loose CT

  • acts as a cushion

  • good insulator, stores fat

  • found in: under skin, around certain joints, around kidneys, behind eyeballs, surface of the heart

<ul><li><p>loose CT</p></li><li><p>acts as a cushion</p></li><li><p>good insulator, stores fat </p></li><li><p>found in: under skin, around certain joints, around kidneys, behind eyeballs, surface of the heart </p></li></ul><p></p>
14
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areolar

  • loose CT

  • delicate & thin

  • made mainly fibroblasts w/ collagen & elastic fibers

  • binds skin to organs

  • found in: in between muscles, blood vessels

<ul><li><p>loose CT</p></li><li><p>delicate &amp; thin </p></li><li><p>made mainly fibroblasts w/ collagen &amp; elastic fibers </p></li><li><p>binds skin to organs </p></li><li><p>found in: in between muscles, blood vessels</p></li></ul><p></p>
15
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hyaline cartilage

  • most common, flexible

  • found in: ends of bones, nose

  • lines your joints and caps the ends of your bones

<ul><li><p>most common, flexible </p></li><li><p>found in: ends of bones, nose</p></li><li><p>lines your joints and caps the ends of your bones</p></li></ul><p></p>
16
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fibrocartilage

  • shock absorber

  • very tough, many collagen fibers

  • found in: discs in vertebral column

  • cushions bones in knee and pelvic girdle

<ul><li><p>shock absorber</p></li><li><p>very tough, many collagen fibers</p></li><li><p>found in: discs in vertebral column</p></li><li><p>cushions bones in knee and pelvic girdle</p></li></ul><p></p>
17
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bone

  • Supports, protects, provides framework

  • located: Bones of skeleton

<ul><li><p><span>Supports, protects, provides framework</span></p></li><li><p><span>located: Bones of skeleton</span></p></li></ul><p></p>
18
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blood

  • Transports substances, helps maintain stable internal environment

  • located: Throughout body within a closed system of blood vessels and heart chambers

  • White blood cells, Red blood cells

  • Platelet

  • Plasma (extracellular matrix of blood

<ul><li><p><span>Transports substances, helps maintain stable internal environment</span></p></li><li><p><span>located: Throughout body within a closed system of blood vessels and heart chambers</span></p></li><li><p><span>White blood cells, Red blood cells</span></p></li><li><p><span>Platelet</span></p></li><li><p><span>Plasma (extracellular matrix of blood</span></p></li></ul><p></p>
19
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elastic cartilage

  • flexible

  • continues to grow

  • provide tensile strength and resistance to stretching

<ul><li><p>flexible </p></li><li><p>continues to grow </p></li><li><p>provide tensile strength and resistance to stretching</p></li></ul><p></p>
20
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compare collagen and elastin

  • collagen is thick, found in bundles, ligaments & tendons, good for pulling forces

  • elastin is more elastic and weaker

21
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Why is there lots of collagen in tendons and not much elastin?

Tendons need to be stronger and require less stretching

22
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why is there lots of elastin in arterial walls?

arterial walls need to stretch more, but do not need to be as strong