Balczon- Connective Tissue

Question 1

provides support and is derived from embryonic mesenchyme

Answer 1

connective tissue

Question 2

part of ECM that is composed of glycosaminoglycans and proteoglycans; highly hydrated

Answer 2

ground substance

Question 3

part of ECM composed of collagen and elastin

Answer 3

fibrous proteins

Question 4

provides tensile strength; reticular fibers

Answer 4

collagen

Question 5

provides resiliency, resists stretching

Answer 5

elastin

Question 6

extracellular “glue” that holds CT together (fibronectin and laminin)

Answer 6

adhesive glycoproteins

Question 7

cells that produce and secrete extracellular matrix

Answer 7

Fibroblasts

Question 8

cells for energy and fat storage

Answer 8

adipocytes

Question 9

contains fibroblasts, adipocytes, and immune cells

Answer 9

CT cells

Question 10

what kind of CT

Answer 10

dense irregular CT

Question 11

what kind of CT

Answer 11

dense regular CT

Question 12

what kind of CT

Answer 12

loose CT

Question 13

what kind of CT

Answer 13

loose CT

Question 14

what kind of CT; and what are the arrows pointing to

Answer 14

loose CT
L arrows: collagen fibers
R arrows: plasma cells

Question 15

what are the arrows pointing to

Answer 15

L arrows: elastin bundles/fibers
R arrows: adipose tissue

Question 16

LUNG: what is the yellow and what is the purple

Answer 16

yellow: collagen and smooth m
purple: elastin

Question 17

PAS stain; spleen
arrows pointing to?

Answer 17

reticular fibers
top middle: macrophage

Question 18

this shows reticular fibers where and what stain

Answer 18

lymph node
siliver stain

Question 19

Answer 19

hyaline cartilage

Question 20

Answer 20

chondrocytes in lacunae

Question 21

Answer 21

elastic cartilage

Question 22

arrows point to

Answer 22

L arrows: chondrocytes in lacunae
R arrows: elastin

Question 23

Answer 23

fibrocartilage

Question 24

derived from mesenchyme; complex of cells and ECM

Answer 24

connective tissue

Question 25

provides the physical and functional properties of connective tissue

Answer 25

extracellular matrix

Question 26

composed of ground substance, fibrous proteins, and adhesive glycoproteins

Answer 26

ECM of connective tissue

Question 27

_____ provides the physical properties of connective tissue; by varying the organization and composition of _______ you can create a completely different functional type of CT

Answer 27

ECM (extracellular matrix)

Question 28

"gel-like"; resists compressive forces

Answer 28

ground substance of ECM

Question 29

2 molecules that make up ground substance

Answer 29

glycosaminoglycans proteoglycans

Question 30

creates an aqueous cellular environment of ground substance

Answer 30

glycosaminoglycans

Question 31

proteins that have a lot of glycosaminoglycans attached to it

Answer 31

proteoglycans

Question 32

an aqueous gel that allows diffusion of nutrients and wastes

Answer 32

ECM

Question 33

type of pressure produced by ECM that allow tissues to resist compressive forces

Answer 33

Turgor Pressure

Question 34

provides tensile strength to body and allows resistance to shearing forces

Answer 34

collagen

Question 35

most abundant protein in body; main type is type I

Answer 35

collagen

Question 36

cells that produce collagen

Answer 36

fibroblast

Question 37

steps in collagen synthesis:

Answer 37

1. produced in fibroblasts and procollagen exits 2. Pro is cleaved forming tropocollagen 3. Pro/Lys hydroxylation and crosslink forming collagen fibrils 4. collagen fibers formed from crosslinking collagen fibrils

Question 38

stain used to see fibrosis (overproduction of collagen)

Answer 38

trichrome

Question 39

type of collagen made up of cartilage

Answer 39

type II

Question 40

type of collagen made up by reticular fibers

Answer 40

type III

Question 41

type of collagen that makes up basement membrane/basal lamina

Answer 41

type IV

Question 42

forms internal skeleton of organs

Answer 42

type III collagen(reticular fibers)

Question 43

assembles into sheets and forms basement membrane

Answer 43

type IV collagen

Question 44

provides resiliency and allows resistance to stretching forces

Answer 44

elastin

Question 45

present in tissues that need to expand and contract

Answer 45

elastin

Question 46

differences b/t elastin and collagen synthesis

Answer 46

different modified AA's elastin requires scaffold protein (fibrillin)

Question 47

special stain for elastin

Answer 47

Aldehyde Fuchsin

Question 48

________ w/ their 3 binding domains crosslink entire network of cells, collagen, and glycosaminoglycans together

Answer 48

adhesive glycoproteins

Question 49

fibronectin and laminin are examples of what

Answer 49

adhesive glycoproteins

Question 50

fibroblasts, glorified fibroblasts, macrophages, plasma cells, mast cells, adipocytes

Answer 50

resident cells of CT

Question 51

WBC's that leave blood to help fight infection are what kind of cells in CT

Answer 51

transient cells

Question 52

lots of collagen fibers; parallel arrangement

Answer 52

dense CT

Question 53

parallel arrangement of collagen that allows resistance to forces applied in 1 direction (tendons and ligaments)

Answer 53

dense regular CT

Question 54

haphazard array of collagen; resistance to forces applied in multiple directions (dermis)

Answer 54

dense irregular CT

Question 55

very few collagen fibers

Answer 55

loose CT

Question 56

skeletal support, protection/defense, transport, and storage

Answer 56

functions of CT

Question 57

specialized for storage of excess calories in the form of triglycerides

Answer 57

adipose tissue

Question 58

cell that makes up adipose tissue

Answer 58

adipocyte

Question 59

type of adipocyte where all the triglycerides are contained in a single lipid droplet---white fat

Answer 59

unilocular

Question 60

all of the triglycerides are stored in multiple lipid droplets---brown fat

Answer 60

multilocular

Question 61

specialized function of this is heat production for newborns who can't shiver yet

Answer 61

brown fat

Question 62

storage, temperature regulation, protection, endocrine

Answer 62

functions of adipose tissue

Question 63

has weight bearing capacities and rapid growth

Answer 63

cartilage

Question 64

3 types of cartilage

Answer 64

hyaline elastic fibrocartilage

Question 65

contains ground substance that makes it slippery and produces turgor pressure

Answer 65

ECM of hyaline and elastic cartilage

Question 66

fibers that make up ECM of cartilage

Answer 66

type II collagen fibers

Question 67

produces specialized ECM in cartilage

Answer 67

chondrocyte

Question 68

live within lacunae

Answer 68

chondrocytes

Question 69

CT capsule of cartilage composed of this

Answer 69

perichondrium

Question 70

part of cartilage composed of type I collagen

Answer 70

perichondrium

Question 71

difference between hyaline and elastic cartilage

Answer 71

elastic contains elastin in matrix of cartilage

Question 72

cartilage between ribs

Answer 72

hyaline

Question 73

cartilage in ears

Answer 73

elastic

Question 74

difference of hyaline, elastic, and fibrocartilage

Answer 74

fibrocartilage has type I collagen

Question 75

cartilage in intervertebral discs that allows resistance to shearing

Answer 75

fibrocartilage

Question 76

skeletal support, protection, scaffold upon which bone is formed

Answer 76

functions of cartilage