BioL121 Quiz

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14 Terms

1
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Frog Skin:

stratified squamous epithelium

  • many layers of epidermis

<p>stratified squamous epithelium</p><ul><li><p>many layers of epidermis </p></li></ul><p></p><p></p>
2
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Lung (Human):

simple squamous epithelium

  • thin layer of epidermis (one singular layer)

  • has “holes” of empty space

<p>simple squamous epithelium </p><ul><li><p>thin layer of epidermis (one singular layer) </p></li><li><p>has “holes” of empty space </p></li></ul><p></p>
3
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Duodenum:

columnar epithelium

  • elongated cells

<p>columnar epithelium </p><ul><li><p>elongated cells </p></li></ul><p></p>
4
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Skin Tissue: Hair Follicle:

follicle and hair bulb

<p>follicle and hair bulb </p><p></p><p></p>
5
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Skin Tissues: Sole of Foot:

thick layer of epidermis (darker than dermis because it is a thick layer of DEAD skin cells)

<p>thick layer of epidermis (darker than dermis because it is a thick layer of DEAD skin cells)</p><p></p>
6
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Skin Tissues: Footpad Squirrel:

thin layer of epidermis and many cells

  • very similar to the human sole of foot, just fewer dead skin cells → making a thinner epidermis layer

7
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Connective Tissues: Areolar Tissue:

stringy fibers

  • dark think “strings” = elastic fibers

  • thick lighter “strings” = collagen fibers

<p>stringy fibers </p><ul><li><p>dark think “strings” = elastic fibers</p></li><li><p>thick lighter “strings” = collagen fibers </p></li></ul><p></p>
8
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Connective Tissues: Bone Tissue:

black and white; arranged in circled format

  • osteocyte (in lacuna) = dark dashes around Haversian Canal

  • Haversian Canal = whiteish circles/blank spaces in the middle of an osteon

  • Osteon = the entire group of the haversian canal surrounded by all the osteocytes

  • Canaliculi = hair-like cracks that are near osteocyte

  • Ossified Matrix = white space between osteons

<p>black and white; arranged in circled format</p><ul><li><p>osteocyte (in lacuna) = dark dashes around Haversian Canal </p></li><li><p>Haversian Canal = whiteish circles/blank spaces in the middle of an osteon</p></li><li><p>Osteon = the entire group of the haversian canal surrounded by all the osteocytes</p></li><li><p>Canaliculi = hair-like cracks that are near osteocyte</p></li><li><p>Ossified Matrix = white space between osteons</p></li></ul><p></p>
9
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Connective Tissues: Adipose Tissue:

empty spaces → plasma membrane is what stained rather than the actual cell

  • emptier than the lung tissue

<p>empty spaces → plasma membrane is what stained rather than the actual cell</p><ul><li><p>emptier than the lung tissue</p></li></ul><p></p>
10
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Connective Tissues: Cartilage Tissue:

thin strip with many circles/holes

  • Chondrocyte = dark “cell-like” shape inside lacuna

  • Lacuna = small little “ball-like” structures w/dark spots inside

  • Matrix = empty space surrounding lacuna

<p>thin strip with many circles/holes</p><ul><li><p>Chondrocyte = dark “cell-like” shape inside lacuna </p></li><li><p>Lacuna = small little “ball-like” structures w/dark spots inside</p></li><li><p>Matrix = empty space surrounding lacuna</p></li></ul><p></p>
11
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Nervous Tissue: Ox Spinal Cord:

  • Neurons = bigger blobs w/tentacle-like arms

  • Glial cells = small little “dots”

  • Axons = transmits signal away from neuron

  • Dendrites = receives signals toward the cell

Impossible to tell which of the arms are axons or dendrites without context

<ul><li><p>Neurons = bigger blobs w/tentacle-like arms </p></li><li><p>Glial cells = small little “dots”</p></li><li><p>Axons = transmits signal away from neuron</p></li><li><p>Dendrites = receives signals toward the cell</p></li></ul><p><em> Impossible to tell which of the arms are axons or dendrites without context</em></p><p></p>
12
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Muscle Tissues: Skeletal Muscle:

VOLUNTARY MUSCLE

  • many tightly packed rows of squiggly lines of cells

  • darker in color (purplish)

  • tube-like format

  • very coarse and rough looking

<p>VOLUNTARY MUSCLE</p><ul><li><p>many tightly packed rows of squiggly lines of cells</p></li><li><p>darker in color (purplish)</p></li><li><p>tube-like format</p></li><li><p>very coarse and rough looking </p></li></ul><p></p>
13
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Muscle Tissues: Cardiac Tissue:

  • Branched tubular fibers

  • Less rows w/more purplish cells

  • Muscle fibers are more visible (pink in color)

<ul><li><p>Branched tubular fibers</p></li><li><p>Less rows w/more purplish cells</p></li><li><p>Muscle fibers are more visible (pink in color)</p></li></ul><p></p>
14
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Muscle Tissues: Smooth Muscle:

INVOLUNTARY MUSCLE

  • Thick layer on edge of skin

  • Looks similar to cardiac muscle in formatting

  • Has squiggly lines of purplish color

<p>INVOLUNTARY MUSCLE</p><ul><li><p>Thick layer on edge of skin</p></li><li><p>Looks similar to cardiac muscle in formatting</p></li><li><p>Has squiggly lines of purplish color</p></li></ul><p></p>