anatomy part 4
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| show | weight
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| cells are farther apart than _______ cells by connective tissues | show 🗑
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| connective tissues contain abundant extracellular matrix between cells, consisting of | show 🗑
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| show | fluid to solid
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| categories of connective tissue: | show 🗑
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| most connective tissues have _____________, so are well-nourished | show 🗑
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| show | divide
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| show | fixed cells; wandering cells
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| connective tissues bind structures together and provide | show 🗑
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| show | fibroblasts
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| show | macrophages
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| show | macrophages
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| large cells, widely distributed, release heparin to prevent blood clotting, and release histamine, which causes inflammatory response | show 🗑
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| fibroblasts produce ______ in connective tissue | show 🗑
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| thick threads of collagen, the body's main structural protein, great tensile strength and flexible----slightly elastic, found in ligaments and tendons | show 🗑
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| composed of elastin protein; branching, can stretch and return to original shape, not as strong as collagen fibers, found in vocal cords, respiratory air passages | show 🗑
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| show | reticular fibers
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| connective tissue proper has two major categories: | show 🗑
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| fewer collagen fibers than dense tissues types: areolar, adipose, reticular | show 🗑
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| contain abundant collagen fibers dense regular, dense irregular, elastic | show 🗑
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| specialized connective tissues include: | show 🗑
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| forms thin, delicate membranes, cells are mainly fibroblasts, in a gel-like ground substance, collagenous and elastic fibers, in subcutaneous layer, beneath most epithelia, where it nourishes nearby epithelial cells | show 🗑
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| show | adipose tissue (fat)
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| composed of network of thin reticular fibers; supports wall of internal organs; walls of liver, spleen | show 🗑
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| closely packed connective tissues; fine network of elastic fibers; most cells are fibroblasts; very strong, withstands pulling; binds body parts together; tendons, ligaments, dermis; poor blood supply, slow to heal | show 🗑
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| randomly organized, thick, interwoven collagenous fibers; can withstand tension exerted from different directions; dermis of skin; around skeletal muscles | show 🗑
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| abundant yellow elastic fibers, and some collagenous fibers; fibroblasts; attachment between bones of spinal column; walls of hollow organs, such as large arteries, airways; parts of heart; elastic quality, stretches | show 🗑
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| which of the following types of connective tissue consists of abundant collagen fibers oriented in one direction? | show 🗑
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| a rigid, specialized connective tissue and provides support, framework, attachments | show 🗑
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| protection of underlying tissue, models for developing bone, matrix contains collagen in gel-like ground substance | show 🗑
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| show | chondrocytes
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| show | perichondrium
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| show | hyaline, elastic, and fibrocartilage
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| cartilage takes ______ to heal than bones because bones have a good blood supply | show 🗑
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| show | hyaline
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| flexible, due to elastic fibers in matrix; external ear, larynx | show 🗑
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| show | fibrocartilage
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| show | fibrocartilage
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| most rigid connective tissue; solid matrix, composed of mineral (Ca) salts and collagen, supports structures and protects vital structures | show 🗑
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| show | bones
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| show | osteocytes
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| two types of bones: | show 🗑
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| osteoblasts deposit in matrix in lamellae (layers); lamellae occur in rings around central canals | show 🗑
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| show | osteons
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| show | canaliculi
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| show | osteons
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| central canals contain blood vessels; bone is well-nourished, heals more quickly than cartilage | show 🗑
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| show | spongy bone
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| show | lighter
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| show | plasma
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| show | red blood cells
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| show | white blood cells
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| show | platelets
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| transports substances throughout the body | show 🗑
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| show | membranes
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| are composed of epithelial and connective tissue, cover body surfaces and lines cavities | show 🗑
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| show | serous membranes
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| show | lubrication
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| line cavities and tubes that open to the outside of the body; lining of digestive, respiratory, urinary, and reproductive tracts; epithelium + areolar connective tissue; goblet cells secrete mucus | show 🗑
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| show | cutaneous membranes
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| show | synovial membranes
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| show | muscle tissues
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| show | skeletal, cardiac, and smooth
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| attached to bones, striated, voluntary; long, cylindrical, multinucleated cells; stimulated by nerve cells | show 🗑
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| show | smooth muscle tissue
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| only in the wall of the heart, branching cells, involuntary, striated, intercalated discs, specialized intercellular junctions | show 🗑
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| show | 40%
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| found in brain, spinal cord, peripheral nerves | show 🗑
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| main cells, which are specialized for communication, via conduction of nerve impulses (sensory reception, motor control) | show 🗑
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| show | neurons and neuroglia
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| coordinate, integrate, and regular body functions; composed of cell body (soma), dendrites, and an axon | show 🗑
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| show | neuroglia
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