Connective Tissue 1

Question 1

Tissues of the body

Answer 1

Epithelial
Connective
Muscular
Nervous

Question 2

Functions of the connective tissues

Answer 2

1.holds and connects tissues together and in their places
2.gives form
3. Allows nutrients to pass to other tissues through capillaries in the intercellular substance
4.role in defense mechanisms and immunity

Question 3

Structure of the connective tissues

Answer 3

Extracellular matrix
Connective tissue cells

Question 4

Structure of extracellular matrix

Answer 4

1.ground substance
2. Protein fibers: elastic fiber
Collagen fibers
Reticular fibers

Question 5

Types of connective tissue cells (resident cells)

Answer 5

Mesenchymal
Macrophage
Adipocyte
Fibroblast

Question 6

Structure of collagen fibers

Answer 6

*elongated wavy bundles (unbranched)
*composed of collagen
*acidophilic
*stained pink with H&E stain

Question 7

Function of collagen fibers

Question 8

Structure of elastic fibers

Answer 8

*long thin fibers which have
*composed of protien elastin
Branched and unite to form irregular networks

Question 9

Function of elastic fibers

Answer 9

Provide elasticity and strength

Question 10

Staining elastic tissues

Answer 10

*acidophilic
Stained by H&E
*orcein stain-> dark brown

Question 11

Structure of reticular fibers

Answer 11

*fine fibers arranged to form networks
*NOT visible in thee H&E
*Silver stains-> black

Question 12

Function of the reticular fibers

Answer 12

Provide a network around the cells of the organs and form the framework of organs