Connective Tissue Proper - Fibers, Composition, Cartilage, Bone, Blood
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| What are 3 characteristics of connective tissue proper? | Few cells; Lots of matrix; Fibers inbetween cells
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| What are the 3 types of fibers in connective tissue proper? | Elastic; Reticular; Collagen
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| What is the main function of connective tissue proper? | It is mechanically involved in tying pieces together, connecting them, and holding them together.
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| What is ground substance? | The matrix of connective tissue that is mostly made of glycoproteins.
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| What is a fibroblast? | The most common connective tissue cell. It produces fibers and the matrix.
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| What are macrophages? | Cells that find and eat infection and other debris.
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| What are mast cells? | White blood cells in connective tissue that play a role in the immune system response of the body.
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| What are plasma cells? | Cells that produce antibodies in the connective tissue proper.
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| What is dense connective tissue? | Tissue that has many fibers. It is made for areas that take a lot of stress.
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| What is loose connective tissue? | Tissue that does NOT have many fibers. It is made for areas that DO NOT take a lot of stress.
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| What is regular connective tissue? | Tissue that has fibers all going in one direction.
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| What is irregular connective tissue? | Tissue that has fibers going in many different directions.
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| Describe loose, irregular connective tissue. | Fibers go in all directions; Found under the skin; AKA 'areolar tissue'
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| What is adipose tissue? | Nucleus always squashed to one side; Made of fibroblasts and lipid (fat) molecules; Where the body stores excess nutrients
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| What are the two basic types of bone tissue? | Dense or compact bone and cancellous or spongy bone
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| What are trabeculae? | A network of interconnected plates in the cancellous bone that serve as a supporting lattice.
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| What are lamellae? | Concentric rings of bone that are in haversian systems and made by osteocytes.
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| Define osteocytes. | Bone cells
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| What are erythrocytes? | Red blood cells
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| What are the 4 elements found in blood? | Erythrocytes (red blood cells); Leukocytes (white blood cells); Thrombocytes (platelets); Plasma
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| What is a platelet? | A packet of chemicals surrounded by a cell membrane that has been pinched off of a megakaryocyte.
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| What is a megakaryocyte? | A very large cell located in bone marrow that is responsible for creating thrombocytes.
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| What are the two types of cells in nervous tissue? | Neurons and neuroglia
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| Structurally, what are the 3 basic parts of a neuron? | Cell body or perikaryon; Processes (2 types); Myelin sheath
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| What are the two possible process of a neuron? | Axons and dendrites
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| What is the function of an axon? | It carries nerve impulses away from the neuron's cell body.
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| what is the function of a dendrite? | It carries nerve impulses to the neuron's cell body.
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| What is the myelin sheath? | A layer of lipid material that surrounds a nueron's process and is produced by neuroglia cells.
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