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27 Cards in this Set
- Front
- Back
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What is the ground substance in extracellular matrix made of?
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intersitital fluid, adhesion proteins, and protoglycans
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What are the fibers in the extracellular matrix?
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collagen and elastin
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What is the function of the protoglycans in the ground substance?
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to trap water in varying amounts, affecting viscosity of the ground substance
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What are the protoglycans of the ground substance made of?
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protein core and large polysaccharides
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What is ground substance?
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medium through which solutes diffuse between blood capillaries and cells
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There are three types of fibers found in connective tissue:
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collagen fibers, elastic fibers, and reticular fibers
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Where are fibroblasts found?
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in connective tissue proper
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Where are hematopoietic stem cells found?
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bone marrow
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What is mesenchyme?
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embryonic connective tissue
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Describe the loose connective tissue, reticular.
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network of reticular fibers in a typical loose ground substance, reticular cells lie on the network
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What is the function of the loose connective tissue reticular?
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fibers from a soft internal skeleton that supports other cell types
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What is the location of the loose connective tissue reticular?
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lymphoid organs (lymph nodes, bone marrow, and spleen)
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What are the location of dense connective tissue, dense regular?
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tendons, ligaments, and aponerouses
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Describe dense connective tissue, dense irregular.
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iregularly arranged collagen fibers; soem elastic fibers, the major cell type is fibroblast
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What is the function of dense connective tissue, dense irregular?
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provides structural stregth because it is able to withstand tension exerted in many direction
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What are the locations of dense connective tissue, dense irregular?
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fibrous capsules of organs and of joints; dermis of the skin; submoucus of digestive tract
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What is the function of dense connective tissue, elastic?
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allows recoil of tissue following strectching, maintains pulsatile flow through arteries, aids in recoil of lungs
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Name the three types of cartilage.
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hyaline cartilage, elastic cartilage, and fibrocartilage
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Describe the cartilage hyaline.
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amorphous but firm matrix, collagen fibers form an imperceptible network
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What is the function of the cartilage hyaline?
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supports and reinforces; has resilient cushioning properties; resists compressive stress
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What is the function of fibrocartilage?
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tensile strength with the ability to absorb compressive shock
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What is the locations of fibrocartilage?
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intervertebral discs; pubic symphysis; discs of knee joint
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What is the function of bone?
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supports and protects, provides levers for the muscles to act on; stores calcium and marrow
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Describe blood.
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red and white blood cells found in a fluid matrix (plasma)
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What is the function of blood?
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transport of respiratory gases, nutrients, waste, and other substances
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The striation in muscle tissue is fromed by:
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actin and myosin
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When are the primary germ layers formed?
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in early embryonic development
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