Animal Tissues
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Transcript of Animal Tissues
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Animal Tissues
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I. Generalizations
• A. Definition
• B. Four general categories of animal tissue– 1. epithelial– 2. muscle– 3. nerve– 4. connective
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II. Epithelial tissueA. General Traits or characteristics
• 1. found on a body surface either internal or external
• 2. tightly packed cells• 3. free border or free
surface• 4. rest on a basement
membrane• 5. nonvascular
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B. Naming or classifying epithelial tissue
1. First Namea. Simpleb. Stratifiedc. Pseudostratified
2. Second namea. Cuboidalb. Squamousc. Columnar
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C. Examples of naming
• 1. simple cuboidal
• 2. stratified squamous
• 3. pseudostratified
• 4. stratified cuboidal
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D. Specific examples
• 1. stratified squamous– a. Location– b. function
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Examples continued
• 2. transitional– a. Location– b. Function
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Examples continued
• 3. simple cuboidal– a. Location– b. function
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III. Muscle tissue
• A. General traits– 1. excitable tissue
– 2. can shorten
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B. Types of muscle tissue
• 1. skeletal muscle– a. multinucleate– b. voluntary– c. striated
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2. Smooth muscle
• a. Involuntary• b. Visceral• c. structure
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3. Cardiac muscle-mixture of two
• a. One nucleus/cell• b. Autorythmic• c. Striated• d. Intercalated disc
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IV. Nervous tissue
• A. General Traits– 1. Irritable– 2. Conductive
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B. Two cell types
• 1. neurons– a. Cell body– b. Axon– c. Dendrite
2. Glia cells (caretakers)
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V. Connective Tissues
• A. Common traits– 1. possess fibers– 2. widely scattered cells– 3. ground tissue (matrix)– 4. analogy
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B. Areolar Connective Tissue-loose irregular
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C. Tendon-dense regular
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D. Ligament
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E. Bone
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F. Blood
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G. Adipose tissue
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VI. Membranes• A. Cutaneous• B. Mucous
– 1. contain glands– 2. open to outsideC. Serous
1. occur in paired sheets2. don’t open to outside3. no glandular tissue