connective tissue Flashcards
is the connective tissue the most abundant tissue typr
yes it is
made up of small or big cells
small cells far apart from each other
name some of the connective tissue cells
fibroblasts
macrophages
plasma cells
mast cells
adipocytes
what is a fibroblast cell
present in several tissues
secretory function
what is a macrophage cell
from monocytes
engulf bacteria and cell debris by phagocytosis
what is a plasma cell
develop from B lymphocytes
makes antibodies
what is a mast cell
near blood vessels
part of reaction to injury
release histamine
what is adipocytes cell
fat cell or adipose cell
stores triglycerides (fat)
what is the extracellular matrix
fluid gel or plus protein fibresn
name the three protein fibres
collagen
elastic
reticular
are collagen fibres weak?
no they are very strong and flexible
how does elastic fibres work
smaller stretch and return to original length
how does reticular fibres work
provide support and strength
found in basement membranes and organ support
what are the three loose connective tissue types
areolar
adipose
reticular
what is a areolar tissue
cells embedded in a matrix of glycoproteins and elastin and collagen fibres