Connective Tissue

Question 1

Embryologically what is connective tissue derived from ?

Answer 1

Mesenchyme

Question 2

What is the function of Connective tissue?

Answer 2

connects and holds tissues and organs to one another, forms a framework, provides support, stores fat, transports things, protects, and aids in tissue repair.

Question 3

What does connective tissue consist of?

Answer 3

cells and extracellular fibers in a ground substance and tissue fluid

Question 4

describe connective tissue

Answer 4

-within the CT the cells and fibers are scattered within the ground substance

Question 5

What is ground substance?

Answer 5

Ground substance is amorphous material composed of proteoglycans and glycosaminoglycans

Question 6

What are the cell types found in CT ?

Answer 6

Fibroblasts , histocytes , plasma cells and mast cells

Question 7

Fibroblast

Answer 7

• derived from mesenchyme
• produce collagen
• produces ground substance in CT

Question 8

Histocyte

Answer 8

• CT macrophage

- protection of the body against infection and other harmful things

Question 9

Plasma cell

Answer 9

Derived from B lymphocytes

Question 10

Mast cell

Answer 10

• large cell

- basophilic granules containing histamine and heparin which mediate allergic reactions

Question 11

Fibers of CT

Answer 11

Collagen fibers, elastic fibers, reticular fibers

Question 12

What type of fiber is most abundant in CT?

Answer 12

Collagen fibers

Question 13

Connective tissue proper

Answer 13

-consist of loose irregular connective tissue and dense connective tissue

Question 14

Dense CT

Answer 14

-Subdivided into dense regular CT and dense irregular CT

Question 15

Loose CT

Answer 15

Areolar tissue

Question 16

Dense CT

Answer 16

• Comprises tendons and ligaments

- Can be seen in the dermis

Question 17

Specialized CT

Answer 17

Cartilage , bone , adipose tissue , blood and hemopoitec tissue and lymphatic tissue

Question 18

Brown adipose tissue

Answer 18

• multiocular

- present during fetal development and then decreases after birth

Question 19

WHITE ADIPOSE TISSUE

Answer 19

• UNILOCUALR

- PERSISTS INTO ADULTHOOD

Question 20

Embryonic CT

Answer 20

Includes mesenchyme and mucous CT

Question 21

Wharton’s jelly

Answer 21

Mucous CT

Question 22

Staining of collagen fibers

Answer 22

• green

- Masson’s trichrome stain

Question 23

Gomori’s Trichrome

Answer 23

• stains CT green
• cytoplasm red
• nuclei gray blue black

Question 24

Verhoeff E;astic Stain

Answer 24

• elastic fibers blue /black

- collagen fibers pink/red