Connective

Question 1

Provide a matrix that supports and physically connects other tissues and cells together to form the organs of the body

Answer 1

Connective tissue

Question 2

2 main classes of connective tissue proper

Answer 2

1. Loose connective tissue
2. Dense connective tissue

Question 3

3 main classes of cartilage

Answer 3

Hyaline cartilage
Fibrocartilage
Elastic cartilage

Question 4

2 main classes of bone

Answer 4

Compact and spongy bone

Question 5

Key cell of connective tissue

Answer 5

Fibroblasts

Question 6

What are the cells of connective tissue

Answer 6

Fibroblasts
Adipocytes
Macrophages and mononuclear phagocyte system
Mast cells
Plasma cells
Leuckocytes

Question 7

Synthesize and secrete collagen and elastin

Answer 7

Fibroblasts

Question 8

Specialized cells for storage of triglycerides

Answer 8

Adipocytes

Question 9

Used for turnover, phagocytosis of dead cells and debris, and antigen presentation to lymphocytes

Answer 9

Macrophages and mononuclear phagocyte system

Question 10

cells same as macrophages that is located in the liver

Answer 10

kupffer cells

Question 11

same as macrophages that is located in the central nervous system

Answer 11

microglial cells

Question 12

filled with basophilic secretory granules that often obscure the central nucleus

Answer 12

mast cells

Question 13

What are the 6 molecules from secretory granules

Answer 13

heparin
histamine
protease
eosinophil and neutrophil
cytokines
phospholipid

Question 14

lymphocyte-derived, antibody-producing cells

Answer 14

plasma cells

Question 15

function in connective tissue only for a few hours or days and then undergo apoptosis

Answer 15

leukocytes

Question 16

5 cardinal signs of inflammation

Answer 16

redness
heat
swelling
pain
loss of function

Question 17

composed of collagen reticular elastic

Answer 17

Protein fiber

Question 18

composition of fiber

Answer 18

collagen
reticular fibers
elastic fibers

Question 19

ground susbtances

Answer 19

glycoaminoglycans
proteoglycans
multiadhesive glycoproteins

Question 20

most important and abundant fibers of connective tissue

Answer 20

collagen

Question 21

Adds soluble galactosine and glucosil sugar

Answer 21

glycosilation

Question 22

alpha chains subunits of collagen

Answer 22

fibril-forming collagens
network-forming collagens
linking/anchoring collagens

Question 23

found in delicate connective tissue of many organs, notably in the immune system

Answer 23

reticular fibers

Question 24

also called elastic lamellae in arteries

Answer 24

elastic fibers

Question 25

acts as both a lubricant and a barrier to the penetration of invaders

Answer 25

ground substance

Question 26

the watery, largely unstained extracellular material that is more abundant than fibers in some types of connective tissue proper

Answer 26

ground susbtance

Question 27

are long polymers of repeating disaccharide units, usually a hexosamine and uronic acid

Answer 27

glycosaminodglycans

Question 28

best studies proteoglycans

Answer 28

aggrecan

Question 29

key proteoglycan in all basal laminae

Answer 29

perlecan

Question 30

consist of a core protein to which are covalently attached various numbers and combinations of the sulfated GAGs

Answer 30

proteoglycans

Question 31

4 major GAGs

Answer 31

Dermatan sulfate Chondroitin sulfate Keratan sulfate Heparan sulfate

Question 32

large molecules with branched oligosaccharide chains and allow adhesion of cells to their substrate

Answer 32

multiadhesive glycoprotein

Question 33

Water in the ground substance of connective tissue

Answer 33

interstitial fluid

Question 34

layer beneath the epithelial lining of many organs and filling the spaces between fibers of muscle and nerve

Answer 34

loose connective tissue

Question 35

generally works to hold organs, anatomic structures, and tissues in place

Answer 35

loose connective tissue

Question 36

a clear predominance of bundled type I collagen fibers over ground substance

Answer 36

dense connective tissue

Question 37

protects organs and strengthens them structurally

Answer 37

dense connective tissue

Question 38

bundles of collagen fibers appear randomly interwoven, with no definite orientation

Answer 38

dense irregular connective tissue

Question 39

long, parallel bundles of collagen fibers fill the spaces between the elongated nuclei of fibrocytes

Answer 39

dense regular connective tissue

Question 40

great resistance to prolonged or repeated from the same direction

Answer 40

dense regular connective tissue

Question 41

great resistance to prolonged or repeated stresses from the same direction

Answer 41

dense regular connective tissue

Question 42

principal component of the fetal umbilical cord, where it is referred to as

Answer 42

Wharton's jelly

Question 43

characterized by abundant fibers of type III collagen

Answer 43

reticular connective tissue

Question 44

most abundant in certain lymphoid organs where the fibers form attachment sites for lymphocytes and other immune cells

Answer 44

reticular connective tissue