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| The tissue that forms the innermost and outermost surfaces of body structures and forms glands. Also called epithelium |
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| One of the most abundant of the four basic tissue types in the body, performing the functions of binding and supporting; consists of relatively few cells in a generous matrix (the ground substance and fibers between the cells |
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| A tissue specialized to produce motion in response to muscle action potentials by its qualities of contractility, extensibility, elasticity, and excitability; types include skeletal, cardiac, and smooth. |
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| Tissue containing neurons that initiate and conduct nerve impulses to coordinate homeostasis, and neuroglia that provide support and nourishment to neurons |
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| contact points between the plasma membranes of tissue cells |
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| web-like strands of transmembrane proteins fused together on the outer surfaces of the plasma membrane to seal off passageways between adjacent cells |
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| dense layer of proteins on inside of the cell membrane that attaches to membrane proteins and microfilaments of cytoskeleton. Cadherins join to plaque on the other side if the cell membrane...helps resist separation |
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| A site of adhesion between two epithelial cells consisting, in each cell, of a dense attachment plaque with associated intermediate filaments and transmembrane proteins known as cadherins |
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| a junction that looks like half of a desmosome made up of integrins that attach to the basement membrane |
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| connexins form fluid-filled tunnels called connexons that permit electrical and chemical signals to pass between the cells |
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| Squamous, Columnar, Cuboidal |
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| three types of epithelial cell shapes |
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| Simple, Stratified, Pseudostratified |
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| Three types of epithelial cell arrangements |
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| flat, thin epithelial cells that allow for rapid passage of substances through them |
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| cube shaped cells that have microvilli at apical surfaces. secretion or absorption function |
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| taller than they are wide-look like columns. and protect underlying tissues. specialized for secretion/absorption |
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| cells that change shape from squamous to cuboidal such as in the urinary bladder |
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| single layer of cells that aid in diffusion, osmosis, filtration, secretion, or absorption, |
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| Pseudostratified Epithelium Layer |
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| simple epithelium cells that look like they have multiple layers. Have goblets cells for secretion |
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| Stratified Epithelium Layer |
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| 2 or more layers of cells that protect underlying tissues where there is considerable wear and tear |
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| single or group of cells that function in secretion via ducts or the blood stream |
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| hormones enter into the interstitial fluid and diffuse into the blood stream |
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| secrete fluid into ducts to the skin or into lumen if a hollow organ. Can be uni or multicellular |
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| immature cells...i.e.-fibroblasts,chonodroblasts |
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| mature cells..i.e.-fibrocytes,chondrocytes |
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| Two major components of Connective Tissue |
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| extracellular matrix and cells |
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| made of ground substance and fibers |
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| (GAG)- trap water in the ground substance to make it jelly like |
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| Collagen, Elastic, Reticular |
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| 3 types of fibers in the extracellular matrix of connective tissue |
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| Areolar Connective Tissue |
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| fibers are widely distributed, several types of cells are in GS. are in/around nearly every structure of the body |
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| cells are derived from fibroblasts and are used for storage of triglycerides as a large, centrally located droplet |
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| Dense Regular Connective Tissue |
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| collagen fibers are regularly arranged in bundles with fibroblasts in rows in between |
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| Dense Irregular Connective Tissue |
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| collagen fibers are irregularly arranged with few fibroblasts |
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| Elastic Connective Tissue |
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| elastic fibers with fibroblasts between them. |
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| dense network of collagen and elastic fibers firmly embedded in chondroitin sulfate. has few cells, no blood supply |
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| most abundant cartilage in the body. found at the end of long bones. |
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| chondrocytes among thick bundles of cartilage fibers within extracellular matrix |
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| chondrocytes in threadlike network of elastic fibers within extracellar matrix |
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| basic unit of compact bone |
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| concentric rings of extracellular matrix made of mineral salts and collagen fibers |
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| small spaces between lamellae that contain osteocytes |
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| network of canals containing processes of osteocytes |
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| blood tissue containing plasma, RBC,WBC and platelets |
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| flat sheets of pliable tissue that covers or lines a part of the body |
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| lines cavities of free moving joints that do not open to the exterior |
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| covers the entire surface of the body containing the dermis and epidermis and hypodermis |
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| long, cylindrical fibers that are voluntary, attached to bones by tendons and function as motion,posture,heat, production and protection |
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| branched,striated cells that have intercalated discs, only found in the heart |
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| non-striated, involuntary cells that have one centrally located nucleus. found in hollow organs |
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| consists of neuron and neuroglia |
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| the replacement of worn-out, damaged or dead cells |
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| immature, undifferentiated cells that can divide and replace lost/damaged cells |
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| Nutrition, Age, Blood circulation |
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| the three main factors that affect tissue repair |
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| completely replicate damaged cells |
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| fibroblasts turn the repaired tissue into CT forming scars |
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