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is the unstructured material that fills the space between the cells and contains the fibers
ground substance
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are extremely tough and provide high tensile strength to the matrix.
collagen fibers
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are long, thin fibers that form branching networks in the extracellular matrix. contain a rubber like protein that allows them to stretch and recoil like rubber bands
elastic fibers
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they form delicate networks that surround small blood vessels and support the soft tissue organs
reticular fibers
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is a temporary tissue derived form mesenchyme and similar to it. Supports the umbilical cord of the fetus.
mucous
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areolar
adipose
reticular
loose connective tissue
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dense regular
dense irregular
elastic
dense connective tissue
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supports and binds other tissues together, holds body fluids, defends against infection and stores nutrients as fats.
areolar
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forms a labyrinth like stoma or internal framework that can support many free blood cells . found in lymph nodes spleen and bone marrow
reticular
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contains closely packed bundles of collagen fibers running in the same direction, parallel to the direction of pull. it is poorly vascularized.
dense regular
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the bundles of collagen fibers are very thick and are arranged irregulary meaning they run in more than one plane. forms sheets in the body areas where tension is exerted in many different directions.found in the skin. also found in testes, kidneys,bones,cartilage, muscles, and nerves.
dense irregular
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or grislte, most abundant cartilage type. provides fim support with some pliability. Covers the ends of long bones providing springy pads that supports the tips of mose , connects ribs to sternum and supports most of the respirtory system passages. Most of the embryonic skeleton is composed of this.
hyaline cartilage
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found where stength and strechability is needed. forms the skeletons of the external ear and epiglottis.
elastic cartilage
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found where hyaline cartilage meets a true ligament or a tendon. Perfect structural intermediate between hyaline cartilage and dense regular. Rows of chondrocytes alternate with rows of collagen. found where strong support and ability to withstand heavy pressure are required.
fibrocartilage
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cells are arranged in a concentric circles around a nutrient canal, matrix is hard due to calcium salts
osseous tissue
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