epithelial tissue Flashcards

1
Q

what are the 4 groups of tissue cells

A

epithelial
connective
muscular
nervous

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2
Q

what is the epithelial cells?

A

covers and lines body surface and cavities

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3
Q

what is the connective cells?

A

protects and supports
its the blood
carries waste away and nutrients through the body

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4
Q

what is the muscular cells

A

generates physical force for movement

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5
Q

what is the nervous cells

A

coordinates body activities

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6
Q

apical surface meaning

A

always a free surface
cover surfaces and lines cavities

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7
Q

avascular meaning

A

no blood vessels

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8
Q

innervation meaning

A

have a nerve supply

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9
Q

simple epithelium have how many layers

A

1 layer of cells

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10
Q

stratified epithelium layers

A

more than 1 layer of cells

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11
Q

name some of the stratified cell shapes

A

squamous
cuboidal
columnar
transitional (change shape)

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12
Q

what is a squamous cell

A

a single layer of flat cells
important for filtration (kidneys) or diffusion (lungs)

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13
Q

what cell lines the heart blood and lymphatic vessels

A

endothelium

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14
Q

what does a stratified squamous epithelium cell have

A

apical (top) layer of cells is flat
Deep layers vary from cuboidal to columnar
Cells in the basal layer divide and move upward toward the apical surface
Found in areas of surface wear & tear

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15
Q

where can you find Simple Squamous Epithelium

A

small intestine

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16
Q

where can you find Simple Cuboidal Epithelium

A

pancreas

17
Q

where can you find Simple Columnar Epithelium

A

small intestine

18
Q

where can you find Simple Columnar Epithelium

A

uterine tube

19
Q

where can you find Pseudostratified Columnar

A

trachea

20
Q

where can you find Stratified Cuboidal Epithelium

A

esophagus