Mcaullif - connective tissue

Question 1

Reticular Fibers

Answer 1

Surround muscle cells, nerve fibers, and lymphoid

Question 2

Loose connective tissue

Answer 2

Not as much fibers but more water. This is because the ground substance is negatively charged and thus attracts the water.

Question 3

Do connective tissue stay around for a while or are they turned over?

Answer 3

They are turned over quite often

Question 4

mesenchymala cell

Answer 4

has the ability to differentiate into fibroblasts, smooth muscle cells, adipocytes etc.

Question 5

Which cells reside in the connective tissue and which migrate there?

Answer 5

reside - fibroblasts, adipocytes, mesenchymal

migrate - WBCs

Question 6

Diapidesis

Answer 6

White Blood Cell squeezing through the endothelium into the conective tissue

Question 7

What will a macrophage look under a microscope?

Answer 7

LM - pink with a bunch of granules in it. It should be pretty difficult to find the nucleus.
EM - very heterogeneous because it should have phagocytized junk in it.

Question 8

Mast cells

Answer 8

Has histamine in it.
Pretty large, should see a lot of pink granules, should be able to see nucleus.
In connnective tissue
Under LM you will see a lot of granules of histamine

Question 9

Neutrophils

Answer 9

Have 3-5 lobes

Question 10

ECM is made of what

Answer 10

ground substance and fibroblast