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Related Flashcards
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Cards In This Set
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Fibroblast
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Makes and secretes protein components of fiber.
-Produce: collagen, reticular, elastic
Function: Secretes fibers and ground substance of connective tissue.
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Erythrocyte
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-Concave shape provides surface area for uptake of respiratory gases
-Red blood cell; hemoglobin - oxygen-carrying protein
-Facilitates the diffusion of oxygen and carbon dioxide
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Epithelial Cell
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Cell shape allows max # of epithelial cells to pack together.
Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport and detection of sensation.
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Skeletal and Smooth Muscle Cells
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-Cells mobe organs and body parts
-Elongated and filled with actin and myosin
-Contract forcefully
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Fat Cell
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Cells that store nutriends; shape is produced by large fat droplet in its cytoplasm
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Macrophage
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Cells that fight disease; moves through tissue to reach infection sites
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Neuron
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Cells that gather info and controls body functions; has long processes for receiving and transmitting messages
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Sperm Cell
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Cells of reproduction; possesses long tail for swimming to the egg for fertilization
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Tissues
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Cells that work together in functionally related groups
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Epithelial Tissue
Think: Covering
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Functions:
-Forms most glands
-Protection
-Diffusion
-Absorption, secretion, and ion transport
-Filtration
-Forms slippery surfaces
Ex: Serosae
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Epithelia Cellularity
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Cells separated by extracellular material in between cells
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Epithelia Specialized Contacs
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Cells joined by special junctions
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Epithelia Polarity
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Cell regions of the apical surface differ from basal surface
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Epithelia
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-Supported by connective tissue
-Avascular (having no blood supply; containing no blood vessels), but innervated (supplies nerves to body parts)
-Regeneration: lost cells quickly replaced by cell division
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Squamous epithelia
Think: wide
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Cells are wider than tall (plate-like)
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