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Organization and Regu;ation of BOdy Systems
Ch 4 Body Systems
8
Biology
Undergraduate 1
09/24/2015

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Term
4 Major tissue types
Definition
-Connective
-Muscular
-Nerovus
-Epithelial
Term
Connective tissue
Definition
-binds and supports body parts
-has specialized cells, ground substances and protein fibers
-Ground substance is noncelluar and ranges from solid to fluid
-GS and fibers make up the matrix of tissue
Term
Connective tissue 3 different types
Definition
-fibrous
-supportive
-fluid
Term
CT Fibrous
Definition
2 TYPES
Loose and Dense: both contain fibroblastcells with a matrix of collagen and elastic fibers
-Loose tissue is found below the epithelium and many internal organs
-Adipose is a special loose tissue where fat is stored
Term
CT Supportive CARTILAGE
Definition
1. Cartilage
-cells are in chambers called lacunae
-matrix is solid but flexible

1 HYALINE-fine collagen fibers(end if bones)
2 ELASTIC-more elastic fibers (ears/nose)
3 FIBROCARTILAGE-strong collagen fibers (between veretbrae)
Term
CT Supportive BONE
Definition
Matrix is solid and rigid, made of collagen and calcium salts
1 COMPACT- made of osteons containing: hard matrix ,living cells, and blood vessels(outter layer)
2 SPONGY- and open latticework with irregular spaces (Inner layer)
Term
CT Fluid BLOOD
Definition
Made of plasma and formed elements
1 Erythocytes
2 Leukocytes
3 Thrombocytes
Term
Muscle tissue
Definition
Allows movement in the bodymad of muscle fibers and protein fibers actin & myosin

3 Types

Skeletal- long cylindrical cells multiple nulcei, striated fibers
-near body surface ,voluntary
Smooth- spindle shaped 1 nulceus lacks striations
-inside organs/involuntary
cardiac- branched ,single nucleus, intercalated disk between cells
heart/involuntary
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