Connective Tissue Study Guide Areolar (loose) CT Adipose Tissue Mesenchyme Dense CT (White Fibrous) Green arrow: Collagen fiber (thicker fiber)Blue arrow: Elastic fiber (thinner fiber)Black arrow: Fibroblast (actually the nucleus of a fibroblast)Blue arrow: Fat droplet (within adipocyte)White arrow: Cell membraneBlack arrow: Nucleus Blue arrow: Semifluid ground substanceBlack arrow: Mesenchymal cellBlue arrow: Collagen fibersBlack arrow: FibroblastElastic CT Reticular CT Hyaline Cartilage Elastic Cartilage Black arrow: Fibroblast (little pink dot, which is actually its nucleus)White arrow: Elastic fibers (squiggly light lines)Blue arrow: Collagen fibersWhite arrow: Fibroblasts (light pink cells)Green arrow: Reticular fiber Red arrow: White blood cell (purple cells)Green arrow: Intercellular materialBlue arrow: Chondrocyte in lacunaBlack arrow: Nucleus of chondrocyteWhite arrow: Elastic fibers (faint dark squiggly lines)Black arrow: ChondrocyteGreen arrow: Nucleus of chondrocyteRed arrow: LacunaFibrocartilage Bone BloodRed arrow: Chondrocyte in lacunaBlue arrow: Nucleus of chondrocyteOrange arrow: Collagen fibersBlack arrow: Intercellular material Red arrow: Lacuna (this is where the osteocytes are) Blue arrow: Haversian canals (also called the central canals)Pink arrow: Canaliculi (little black lines)Black arrow: Plasma (whitish area, which is actually liquid)White arrow: White blood cellRed arrow: Red blood cellBlue arrow: Platelet (little, tinny dot) Location: Characteristics of Connective Tissue1. Directly supplied with blood (except cartilage)2. Consists of living cells and a nonliving matrix, which is made up organic and inorganic material3. Connects, supports and protects all other tissues4. Most abundant tissue in the
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