Intro To Connective Tissue Flashcards
Mesenchyme
Common tissue of origin
most —1— type of tissues
abundant
good —1— & —2—
1-blood
2-nerve
does it have contact with the environment ?
no
what are the functions of the connective tissue?
1- Connect the epithelium to the rest of the body (basal membrane/ membrane reticularis)
2- provide structure (bone)
3- store energy (fat)
4- transports material (blood )
unstructured material that fills the space between the cells
ground substance
collagen, elastic,reticular
fibers
fibroblasts
chondroblasts
osteoblasts
hematopoietic stem cells
cells in connective tissues
most abundant cell-type in all connective tissue proper & secrete protein & Hyaluronan (cellular sement)
Fibroblast
large amoeba-like cells of the immune system
- they it pathogens and damaged cells
- when they r fixed the stay in the tissue but when free they migrate
macrophages
fat cells each stores a single, large droplet of fat
adipocytes
stem cells that respond to injury or infection
- it differentiate to fibroblasts and macrophages …etc..
mesenchymal cell
synthesize and store the brown pigment melanin
melanocytes
stimulate inflammation after injury or infection
- eg: basophils which is carried by blood
- release histamine and heparin
Mast cells
specialized immune cells in the lymphatic system
- eg: plasma cells which secrete antibodies
lymphocytes
phagocytic blood cells the respond to signals from the macrophages
- eg: neutrophils & eosinophils
microhages