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connec tiss cells

general characteristics about connective tissue cells

how many tissue cells are there 3
how many tissue fibers are there 2
produces intercellular substance connective tissue cells
stores fat connective tissue
connective tissue makes blood cells
connective tissue can eat bacteria and debris
phagocytosis is eating bacteria and debris
produce antibodies that give us immunity to certain diseases connective tissue
makes heparin to prevent blood clotting connective tissue
a type of connective tissue cell is fibroblast
macrophages is a type of connective tissue cell
mast cells are a type of connective tissue cell
most numerous and young cells in connective tissue fibroblasts
contain an abundance of rough endoplasimic recticulum fibroblasts
fibroblast are active in synthesis of protein for use in extracelluar enviornment
form a intercellular material necessary for growth and repair fibroblast
secrets proteins that become fibers fibroblast
usually attached to fibers but can detach and actively move about macrophages
macrophages specialized to carry on phagocytosis
carry out phagocytosis because macrophages function as scavenger cells that can engulf foreign particles that enter tissue
important defense against infection macrophages
macrophages play a role in immunity
an important part of the reticuloendothelial system macrophages
reticuloendothelial tissues composed of scattered phagocytic cells
macrophages can be found in kupffer cells in the liver
macrophages orginate as white blood cells in bone marrow
microglia cells are found in the brain
microglia are a type of macrophage cell
macrophages are found in all types of connective tissue
mast cells a type of connective tissue cell
release heparin mast cells
heparin a anticoagulant
anticoagulant prevents blood clotting
releases histamine mast cells
histamine inflammatory substance produced during allergic reations
connective tissue cell found in liver kupffer cells
kupffer cells are part of the digestive system and reticuloendthelial system
plasma cells produce antibodies to protect from infection
two types of connective fibers fibrous & amorphous
fibrous fibers are responsible for producing intercellular material
non-living tissue is intercellular material
monst abundant type of tissue by weight intercellular material
function of intercellular materials is to bind other organs together
function of intercellular material is provide support & protection
function of intercelluar material is fill spaces and store fat
function of intercelluar material is produce blood cells, fight against infection, help repair tissue damage
collagen fibers are made up of what protein collagen
most common protein in the body is collagen
thick and extremely tough fiber is collagen
fiber that resist pulling but is flexiable is collagen
another name for collagen fiber is white fiber
collagen fiber forms bundles that are crossed or interlaced but not branched
collagen holds ligaments together
ligaments connect bone to bone
tendons connect muscle to bone
collagen fibers are found in skin/dermis, around nerves and muscles/tendons
elastic fibers are yellow fibers
elastic fibers consist of elastin protein
elastic fibers help with stretching and consticting blood vessels
a function of elastic fibers is to control blood pressure
if you loose elastic fibers blood pressure will go up
arterosclerosis is high blood pressure
function of elastin is to permit connective tissue to be stretched and returned to orginial shape
vasodilation is vessels expanding/lowering blood pressure
vasoconstriction is blood vessels are constricted and less blood gets to skin, increasing blood pressure
elastic fibers are found primarily in blood vessels and skin
elastic fibers are also found in vocal cords, air passages of repiratory tract
Created by: GINNY42



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