Lab

Question 1

what is connective tissue comprised of?

Answer 1

cells and an extracellular matrix

Question 2

What is included in ECM?

Answer 2

protein fibers and ground substance

Question 3

what molecules constitute the ground substance?

Answer 3

proteoglycans, multiadhesive glycoproteins, and glycosaminoglycans

Question 4

-cell type that produces the extracellular fibers that serve a structural role in tissue
-produce and maintain the ground substance

Answer 4

fibroblast

Question 5

What tissue are fibroblasts present in?

Answer 5

loose connective

Question 6

What is the only cell type in bone tissue?

Answer 6

osteocyte

Question 7

the middle embryonic germ layer that gives rise to all of the connective tissues of the body except the head region

Answer 7

mesoderm

Question 8

-primarily found in the embryo
-small spindle-shaped cells
-collagen and reticular fibers

Answer 8

mesenchyme

Question 9

What are the two types of embryonic connective tissue?

Answer 9

mesenchyme and mucous connective tissue

Question 10

-present in the umbilical cord
-gelatin-like ECM composed of hyaluronan

Answer 10

mucous connective tissue

Question 11

what is the ground substance of mucous connective tissue referred to as?

Answer 11

Wharton’s jelly

Question 12

What are the two subtypes of connective tissue proper?

Answer 12

loose (areolar) connective and dense connective

Question 13

what are the two subcategories of dense connective tissue?

Answer 13

dense regular and dense irregular

Question 14

-cellular connective tissue with thin and sparse collagen fibers
-abundant ground substance
-located beneath epithelia
-site of inflammatory and immune reactions

Answer 14

loose connective tissue

Question 15

-characterized by abundant fibers (collagen) and few cells
-cell type: fibroblasts
-strength due to collagen

Answer 15

dense irregular connective tissue

Question 16

Skin contains a relatively thick layer of dense irregular connective tissue called the ___________________of the dermis.

Answer 16

reticular layer

Question 17

Hollow organs possess a distinct layer of dense irregular connective tissue called _________in which the fiber bundles course in varying planes.

Answer 17

submucosa

Question 18

to which type of connective tissue due ligaments and tendons belong

Answer 18

dense regular