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| Sheets of cells that are tightly packed together with no visible ECM. Cover and line all body surfaces and cavities |
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| "Connect" all other tissues in the body to one another, Cells scattered. Bind, Support, Protect, and All the Transport of substances |
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| Composed of cells that Contract and Generate force |
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| Cells that can generate, send, and receive messages, and other cells that support this activity |
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| Extracellular Matrix (ECM) |
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| Substances surrounding the cells in tissue. Ground Substance and Protein Fibers. Provides strength to resist stretching, directs cells to proper places, regulates development, mitotic activity and survival of cells, and holds cells in their proper position. |
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| Makes up most of ECM, contains water, ions, nutrients. Also contains glycosaminoglycans, proteoglycans, and glycoproteins. |
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| Glycosaminoglycans (GAGs) |
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| Long, straight polysaccharid chains. Examples: Chondroitin Sulfate and Hyaluronic Acid |
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| Act as a barrier to the diffusion of substances through the ECM, Protects underlying tissue from invading microorganisms. |
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| (Cell-Adhesion molecules)- CAMs- "glues" cells both to each other and into their places within the ECM |
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| Multiple fibrous protein subunits that entwine to form a rope like structure with tensile strength. Types: collagen fibers, elastic fibers, reticular fibers |
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| Resembles Steel Cable- Very resistant to tension- Tendons |
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| Allows Stretching (extensibility)- when stretching force is removed, turns back to original length |
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| Meshlike, supports the cells and ground substance of many tissues- Spleen |
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| "Occluding Junctions"- hold cells tightly together- impermeable- Zippers |
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| Links 2 cells together- Buttons |
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| Links 2 cells- allows small substances to pass freely |
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| lining parts of the kidney |
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| Pseudostratified Columnar |
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| a structure that forms and secretes a product |
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| Package their products into secretory vesicles- Sweat glands |
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| Accumulate their product in their cytosol, not released until the cell ruptures/dies |
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| cells of the Immune System- Inflammatory mediators |
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| Supports and contain many blood vessels whose nutrients and oxygen fuse up to the superficial epithelial |
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| Protein fibers, Resists tension |
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| Specialized Connective Tissue |
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Definition
| Cartilage, Bone, or Osseous Tissue |
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| Most abundant, absorbs shock and is resistant to tension, compressions- Fetal Skeleton |
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| Allows the tissue to vibrate and assist in the detection of sound in the air and the production of sound by the larynx |
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| Responsible for moving a nerve impulse from the cell body to a target cell- another neuron, muscle, or gland |
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| Extensions radiating from the cell body, short and branched. Receive messages from the axons of other neurons and bring the impulses to the cell body |
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| Anchors neurons and blood vessels, monitors the composition of the extracellular circulating the fluid that surrounds the brain and spinal cord |
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| Thin sheets of one or more tissues that anchor organs |
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| Line the body wall and organs of the pour pericardial, and peritoneal body cavities. Lubricate |
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| Line Body Passages and hollow organs that open to the outside of the body. Mucus- Traps Debris and protects |
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| Lines the cavities surrounding freely moveable joints- also lubricates (synovial fluid) |
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