connective tissue
DESCRIPTION
made this for my report at class. download to understand and see the effects. ^_^!TRANSCRIPT
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EpithelialTissue
MascularTissue
NervousTissue
AnimalTissue
ConnectiveTissue
Connective
Tissue
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kind of Biological tissue that supports, connects, or separates different types of tissues and organs of the body.
characterized by the abundance of extracellular components.
Composed of a specialized cells and extracellular protein fibers called matrix.
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Connective TissueFunctions:
• Structural framework for body• Protect organs• Transport fluids and dissolved materials• Store energy reserves(fat) and minerals• Immunity
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categories of connective tissue based on composition of matrix
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Connective Tissue Proper
Fluid Connective
Tissue Supporting
Connective Tissue
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Connective Tissue Proper
- Semi- solid matrix
-Fibroblast primary cell type secrete extracellular proteins (fibers).
Fibroblast
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Fibers:• collagen- long, straight, unbranched• reticular- thinner, flexible, branching• elastic- branched and wavy
Connective Tissue Proper
elastic
collagen
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Connective Tissue Proper
a) Loose • Areolar• Adipose
b) Dense• regular• irregular
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Connective Tissue Proper
a) Loose • Areolar• Adipose
•Loose connective tissue is the most common type of connective tissue in vertebrates.
Functions:
It holds organs in place and attaches epithelial tissue to other underlying tissues.It also surrounds the blood vessels and nerves.
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Connective Tissue Proper
a) Loose • Areolar• Adipose
Areolar Connective tissue
-tissue that consists of a meshwork of collagen, elastic tissue, and reticular fibres - with many connective tissue cells in between the meshwork of fibres.
Collagen fiber
Elastic fibers
Fibroblasts
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Areolar Connective tissue
Functions:
•Support•Strength, and•Elasticity.
•Areolar tissue is found in many locations around the body.•One important area is the skin
Location:
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Connective Tissue Proper
a) Loose • Areolar• Adipose
Adipose Connective tissue-a loose fibrous connective tissue packed with many cells (called "adipocytes") that are specialized for storage "fats".
fat-filled vacuole
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Dense connective
tissue Loose connective
tissue
Adipose Connective tissue
Functions:
•Adipose tissue acts as an insulating layer, •It also has a protective function, and support around some of the major organs.•A means of energy storage.
•Adipose tissue forms a thick layer under the skin, around the kidneys and in the buttocks
Location:
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Connective Tissue Proper
a) Loose • Areolar• Adipose
b) Dense• regular• irregular
Dense Connective tissue
- also called dense fibrous tissue, has fibers as its main matrix element.
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Connective Tissue Proper
a) Loose • Areolar• Adipose
b) Dense• regular• irregular
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Dense regular Connective tissue
-Provides connection between different tissues. The collagen fibers in dense regular connective tissue are bundled in a parallel fashion.
Includes:-tendonstough band of fibrous connective tissue that usually connects muscle to bone and is capable of withstanding tension-Ligamentsthe fibrous tissue that connects bones to other bones
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Tendons Ligaments
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Dense connective
tissue Loose connective
tissueFat/Adipose tissue
Dense irregular Connective tissue
-has fibers that are not arranged in parallel bundles
Collagenirregularly arranged
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Structure:
Fat/Adipose tissue
Located:
-This type of tissue is also in the protective white layer of the eyeball and in the deeper skin layers.
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Function:
Fat/Adipose tissue
Connective Tissue Proper
Fluid Connective
Tissue Supporting
Connective Tissue
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Fluid Connective
Tissue•Blood• Lymph
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Located:
Liquid connective
tissue
Blood- plasma (watery matrix)formed elements:• Red blood cells (erythrocytes)• White blood cells (leukocytes)• Platelets2. LYMPHformed from interstitial fluidlymph vessels, lymph nodeslymphocytes (types of WBC) – immunity
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Structure:
Liquid connective
tissue
Blood Vessel
erythrocytes
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Function:
Liquid connective
tissue
Connective Tissue Proper
Fluid Connective
Tissue Supporting
Connective Tissue
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Includes:
Liquid connective
tissue
Structural tissues – support and protectionSolid matrix, lots of fibers w/ few cells relative to matrixTwo main types1. CARTILAGE2. BONE
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Located:
Fibrous connective
tissueCHONDROCYTES, found in LacunaeMatrix: solid/semi-solid (gelatinous)Ground: chondroitin sulfatesFibers: collagen, elastic, reticularCartilage is avascular
CARTILAGE
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Fibrous connective
tissue
3 types of cartilage:1. Hyaline cartilage
2. Fibrocartilage
3. Elastic cartilage
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BONECells: OSTEOCYTESGround: calcium salts, little fluidFibers: collagenBone has a well-developed blood supply