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XYC002 : Body Systems
Topic 3: Epithelial tissues
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Created by
Shantell Okekumata
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Cards (17)
How can epithelial tissue be divided?
Into
covering and lining epithelium
and
glandular epithelium
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What does covering and lining epithelium form?
Outer covering
of skin and organs
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What does lining epithelium do?
It lines
body
cavities
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What are the two arrangements of epithelial cells?
Simple
and
stratified
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What are the two forms of simple columnar epithelium?
Nonciliated
and ciliated
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What is pseudostratified columnar epithelium?
A type of
simple epithelium
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What is a type of stratified epithelium?
Stratified squamous epithelium
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What are the two forms of stratified squamous epithelium?
Keratinized
and
non-keratinized
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What is transitional epithelium?
A type of
stratified epithelium
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What are the two types of glands in epithelial tissue?
Endocrine
and
exocrine
glands
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What are the main characteristics of epithelial tissue?
Covers
body surfaces
Lines
cavities
and organs
Forms
glands
Cells
are closely packed
Avascular
(no blood vessels)
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What are the differences between simple and stratified epithelium?
Simple Epithelium
:
Single layer of cells
Found in areas of
absorption
and
filtration
Stratified Epithelium
:
Multiple layers of cells
Provides protection in areas of
abrasion
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What is the role of glandular epithelium?
Secretes
hormones
and other substances
Forms
endocrine
and
exocrine
glands
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What is the significance of keratinized stratified squamous epithelium?
Provides protection against
abrasion
Prevents
water loss
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How do the shapes of epithelial cells vary?
Squamous
: flat and thin
Cuboidal
: cube-shaped
Columnar
: taller than wide
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What is the significance of non-keratinized stratified squamous epithelium?
Provides protection in
moist
areas
Found in the
mouth
and esophagus
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What is the function of goblet cells in epithelial tissue?
Secretes
mucus
Protects and lubricates surfaces
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