Unit 4 Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Epithelial Tissue | The tissue that is found throughout the body, covering internal and external surfaces. It protects underlying structures and acts as a barrier. It allows substances to diffuse through.
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| Muscle Tissue | It contracts and shortens to enable movement. Muscle cells = muscle fibers.
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| Nervous Tissue | Coordinates and controls body activity. (Brain, Spinal cord and nerves)
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| Connective Tissue | An extracellular matrix that consists of protein fibers, ground substance, non fibrous protein and fluid. It is the most abundant type of tissue in the body.
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| Simple Epithelial | Single layer of cells
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| Stratified Epithelial | More than one layer of cells
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| Cuboidal Epithelial | Shape of cell is CUBE-LIKE
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| Columnar Epithelial | Shape of cell is TALL AND THIN
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| Pseudostratified Epithelial | A type of epithelium that is a single layer of cells, but has its nuclei positioned in a manner suggestive of stratified epithelia.
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| Squamous Epithelial | Shape of cell is FLAT
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| Transitional Epithelial | A type of tissue consisting of multiple layers of epithelial cells which can contract and expand.
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| Apical Surface | Layer of epithelial cells that is not in contact with other cells.
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| Basil Surface | Attaches epithelial cells to underlying tissues composed of carbohydrates and proteins.
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| Basement Membrane | A membrane of protein fibers separating an epithelium from underlying tissue.
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| Tight Junctions | Bind adjacent cells to form permeability barriers; completely surround each cell; found in intestines and most simple epithelia.
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| Gap Junctions | Small channels that allow small molecules and ions to pass from adjacent cells. (Most epithelial cells are connected this way)
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| Desmosomes | Mechanical links that bind cells together; found where cells are subjected to stress (skin, stratified squamous)
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| Extracellular Matrix | Extracellular materials that consist of protein fibers and ground substance. (Connective Tissue)
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| Collagen | Protein fibers that are flexible, but resist stretching.
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| Reticular | Protein fibers that are fine, short, collagen fibers that branch to form a network.
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| Elastic Fibers | Protein fibers that after have been stretched, they have the ability to return to original shape.
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| Ground Substance | Non Fibrous protein
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| Functions of Connective Tissue (7) | +Join together tissues of the body(tendons and ligaments)+Support (trachea, bones)+Protect underlying organs (skull)+Transport (blood)+Nutritive Functions (blood)+Immune Function (lymphocytes/white blood cells)+Storage sites & insulation (Fat tissue)+
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| Connective Tissue Proper | Extracellular matrix composed mostly of collagen fibers.
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| Loose Connective Tissue | Fills spaces between organs and holds them in place.
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| Supporting Connective Tissue | Contains a matrix with protein fibers; filled with lipids to store energy; protects and insulates the body.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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