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29 Cards in this Set
- Front
- Back
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Organs |
Organized tissue with specific functions. They work as systems. |
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4 Tissue Types |
Epthelial, connective, muscular, nervous tissue |
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Histology |
The study of microscopic anatomy of tissues |
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Epithelial cells |
Protect from dehydration and mechanical damage. Provide selectively permeable membrane Sensory surfaces Secrete fluids |
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Simple |
Tissue in one layer |
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Stratified |
Tissue in multiple layers |
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Pseudostratified |
Single layer that appears to be layered because the nuclei appear in different positions |
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Squamous |
Flat (like a fried egg) |
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Cuboidal |
Shaped like cubes |
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Columnar |
Tall and narrow |
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Keratin |
Strong, fibrous proteins |
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Connective tissue proper |
Loose and dense connective tissues with abundances of fibers |
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Special connective tissue |
Includes blood, cartilage, and bone |
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Reticulin |
Thin, branching fiber, supports glands |
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Macrophages |
Immune systems first defense against invading organisms |
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Dense connective tissue |
Contains tightly packed collagen fibers |
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Plasma |
Intercellular fluid matrix |
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Erythrocytes |
Red blood cells |
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Leukocytes |
White blood cells |
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Platelets |
Enucleated fragments of large bone marrow cells |
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Cartilage |
Found in skeletal joints |
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Lacunae |
Cavities where chondrocytes reside |
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Bone |
Derives properties from strong extracellular matrix with fibers |
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Osteocytes |
Bone cells, maintain fibrous and crystalline matrix |
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3 kinds of muscle |
Smooth, skeletal, cardiac |
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Neurons |
Cells specialized for transmitting nerve impulses Consist of cell bodies and cytoplasmic extensions |
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Glia |
Supporting cells, includes Schwamm cells |
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Dendrites |
Short extensions of a neuron, carry impulses toward a cell body |
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Axons |
Long extensions that carry impulses away from cell body |
