Animal Tissue

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( Animal Tissue )
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??????????????? primary tissues 3 ??????????
ectoderm, mesoderm ??? endoderm
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????????? (Specialized Tissues)
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Four Types of Specialized Tissue in the adult
body
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Epithelial Tissue
Tissue Simple epithelium Function Diffusion,
Secretion, absorption Stratified epithelium
Protection
Type Simple squamous
Description Single layers flattened cells
Commonlocation Blood vessel walls, air sacs of
lungs
Function Diffusion
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Epithelial Tissue
Type Simple cuboidal
Description Simple layer cube like cells
Common location Part of respiratory tract
lining, renal tubule
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Epithelial Tissue
Type Simple columnar
Description Single layer of tall, slender cells
Common location Part of gut linning, part of
respiratory tract
linning
Function Secretion, absorption
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General Structures
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???? ????????????????????????????????? (Free
surface) ????? ??????????????????????????? ????
????????????????? basement membrane
???????? noncellulas layer ?????????? Protein and
Polysaccharides ??????????????? epithelium ???
connective tissue
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General Structures
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????????????????????? ?????????????? absorb
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Type Stratified Squamous epithelium
Description many layers of
squamous cells
Commonlocation epidermis
Function protection
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Free surface
Grandular Epithelium
Skin gland Exocrine glands
Cell producted substances Milk,
mucus, saliva, earwax, oil digestive
enzymes