Connective Tissue

Question 1

what are reticular fibers/what produces them

Answer 1

thin, branched structures typically found in lymphatic tissue

produced by fibroblasts (reticular cells)

Question 2

Answer 2

fibrocye nuclei of dense regular CT

Question 3

Answer 3

type II collagen

Question 4

Embryonic CT

Answer 4

umbilical cord, pulp of developing teeth rich in ECM and mesenchymal cells Wharton’s Jelly

Question 5

name the cell type

Answer 5

plasma cells

Question 6

loose CT is found

Answer 6

mucosa/subucosa of various organs, surrounding blood vessels, nerves, muscles

Tunica adventitia of BV

Question 7

label

Answer 7

left down: collagen fibers, elastic fibers, mast cells, ground substance

right arrow: fibroblasts

Question 8

label arrows

Answer 8

blue: elastin
purple: fibrillin

Question 9

elastic fibers are formed by

Answer 9

fibroblasts (in skin and tendons), chondroblasts (in elastic cartilage) and smooth muscle cells (in blood vessels and the respiratory tract)

Question 10

where was this sample taken from

Answer 10

cornea, dense reg CT

Question 11

where was this sample taken from/what type of CT

Answer 11

tunica adventitia of the aorta, elastic CT

Question 12

Answer 12

type IV collagen

Question 13

mast cell granules contain

Answer 13

histamine, heparin, chemotactic mediators

Question 14

ECM components

Answer 14

glycoaminoglycans, proteoglycans, aggregates, hyaluronan, adhesive proteins (laminin, fibronectin, integrins)

nidogen, perlecan, laminen, tIVcollagen, integrin

Question 15

Answer 15

collagen

Question 16

elastic fibers typically found

Answer 16

walls of large BV and ligaments

form discontinuous lamellae around the lumen

Question 17

Answer 17

loose CT

Question 18

elastic fibers are made of _____ and ______

Answer 18

elastin and fibrillin

Question 19

what type of fibers?

Answer 19

elastic

Question 20

name of macrophages in CNS

Answer 20

microglial cells

Question 21

Answer 21

dense irregular CT

Question 22

plasma cell characteristics

Answer 22

well developed rER, golgi, nucleolus

“Cartwheel” nucleus

Question 23

name the cell type

Answer 23

macrophages

Question 24

Answer 24

type I collagen

Question 25

name the cell type

Answer 25

macrophages

Question 26

Answer 26

fat in bone marrow

Question 27

Answer 27

reticular CT

Question 28

Answer 28

dense irregular CT

Question 29

Answer 29

mast cell

Question 30

name the cells

Answer 30

fibroblasts

Question 31

Answer 31

dense irregular CT

Question 32

dense regular connective tissue found in

Answer 32

tendons, ligaments, cornea, fascia

Question 33

Answer 33

dermis, dense irregular CT

Question 34

dense irregular CT found in

Answer 34

dermis, submucosa of GI

Question 35

Answer 35

brown fat

Question 36

white fat vs. brown fat characteristics

Answer 36

white fat: unilocular adipocytes, long term energy reserve, "signet rings" brown fat: multilocular adipocytes, dissipate energy, mitochondria rich, numerous lipid deposits

Question 37

name of macrophages in liver

Answer 37

kupffer cells

Question 38

Answer 38

plasma cells

Question 39

Answer 39

reticular CT

Question 40

name the cell type

Answer 40

macrophages

Question 41

structure of collagen?

Answer 41

three chain fibrous protein, form a triple helix braided coiled-coil for tensile strength

Question 42

name of macrophages in bone

Answer 42

osteoclasts

Question 43

Answer 43

collagen fibers of dense regular CT

Question 44

where was this sample taken from

Answer 44

ligament, dense reg CT

Question 45

Answer 45

dense irregular CT

Question 46

Type II collagen tissues and characteristics

Answer 46

hyaline and elastic cartilage thinner fibrils fibrillar

Question 47

Answer 47

elastic CT

Question 48

Type III collagen tissues and characteristics

Answer 48

Reticular lamina of basement membranes reticular fibers fibrillar

Question 49

which type of collagen

Answer 49

type III collagen

Question 50

Type IV Collagen tissues and characteristics

Answer 50

basal lamina does not form bundles non-fibrillar

Question 51

Type V Collagen tissues and characteristics

Answer 51

fetal amnion and chorion, muscle and tendon sheaths does not form banded fibrils fibrillar

Question 52

Answer 52

white fat

Question 53

where was this sample taken from

Answer 53

fascia, dense reg CT

Question 54

name the dark purple cells

Answer 54

mast cells

Question 55

where was this sample taken from

Answer 55

tendon, dense reg CT

Question 56

Type I collagen tissues and characteristics

Answer 56

bone, tendon, dentin banded fibers for tensile strength fibrillar

Question 57

Answer 57

loose connective tissue