Lab 7 ( Histology Tissue) Flashcards

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1
Q

what is histology?

A

the study of tissues

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2
Q

what is tissue?

A

a group of cells working together to perform a function

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3
Q

What are some different types of tissue?

A
  • Muscle
  • Epithelial
  • connective
    *nervous
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4
Q

what are organs?

A

groups of tissues working together to perform a particular function

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5
Q

what does epithelial tissue form?

A

forms a continuous sheath around the outer portion of the body, and along most of the internal body cavities

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6
Q

What are some examples of where epithelial tissue is used?

A
  • skin
  • airways
  • digestive tracts
    *urinary
  • reproductive systems
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7
Q

what does epithelial tissue provide?

A

provides the body’s first line of protection ( physical, chemical, and biological)

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8
Q

what do the cells of the epithelial tissue act as?

A

gatekeepers of the body controlling permeability and allowing selective transfer of material across a physical barrier

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9
Q

how many cells layers are formed in simple epithelial tissue?

A

1 tissue layer

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10
Q

how many cell layers are formed in stratified epithelial tissue?

A

2 or more tissue layers

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11
Q

how many cell layer are formed by pseudostratified epithelial tissue?

A

1 layer that appears like more

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12
Q

how many cell layers are formed by transitional epithelial tissue?

A

a form of specialized stratified epithelium win which the shape of the cell can vary (transition in shape)

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13
Q

what shape does squamous tissue have?

A

flattened and thin

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14
Q

what shape does cuboidal tissue have?

A

boxy, as wide as it is tall

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15
Q

what shape does columnar tissue have?

A

rectangular, taller than it is wide

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16
Q

where can simple squamous epithelial tissue be located?

A

air sac of lungs and the lining of the heart, blood vessels, and lymphatic vessels

17
Q

where is simple cuboidal epithelial tissue located?

A

ducts and secretory portions of small glands and in kidney tubules

18
Q

where is columnar epithelial tissue located?

A

ciliated tissues are in bronchi, uterine tubes, uterus, digestive tract and bladder