cartilage

Question 1

it is distinguished by a high degree of compressive elasticity

Answer 1

cartilage

Question 2

partially deformable, has shock absorbing properties and yet is firm in consistency

Answer 2

cartilage

Question 3

the primary supportive tissue in fhe developing embryo and forms the structural framework from which most of the skeleton develops

Answer 3

cartilage

Question 4

what provides the cartilage with its structural integrity

Answer 4

the arcade like arrangement of collagen fibers with the abundance of glycosaminoglycans

Question 5

if cartilage is avascular, where does it get its nutritional supply

Answer 5

diffusion from the surrounding connective tissue, fluid from synovial joint, and medullary vessels of underlying bone

Question 6

inportance of slippery characteristics of cartilage

Answer 6

reduces friction

Question 7

the reason for the cartilage to have regenerative capacity

Answer 7

avascular nature

Question 8

the formation of cartilage

Answer 8

chondrogenesis

Question 9

mesenchymal cells will differentiate into

Answer 9

chondroblast

Question 10

the primary support of the tissue

Answer 10

cartilage

Question 11

the youngest cells, actually undifferentiated mesenchymal cells fsted to become chondroblast

Answer 11

chondrogenic cell

Question 12

small stellate or spindle shaped cells located in the inner chondrogenic or cellular layer of perichondrium

Answer 12

chondrogenic cells

Question 13

secretory cells that synthesize and secrete cartilage matrix

Answer 13

chondroblast

Question 14

derived from chondrogenic cells and larger than the latter with round centrally round nuclei

Answer 14

chondroblast

Question 15

they are not contained in the lacuna and located at the periphery of cartilage beneath the inner chindrogenic layer of preichondrium.

Answer 15

chondroblast

Question 16

responsible for synthesis and maintenance of the extracellular matrix

Answer 16

chondroblast

Question 17

it combines to form collagen fibers

Answer 17

pro-collagen chains

Question 18

derived from chondroblast cell line

Answer 18

chondrocytes

Question 19

these cells have been isolated and trapped in spaces called lacunae

Answer 19

chondrocytes

Question 20

appears like swollen chondroblast embedded in large, ovoid or angular lacunae

Answer 20

chondrocytes

Question 21

cells of cartilage

Answer 21

chondrocytes

Question 22

have a reduced capacity for synthesis and secretion of cartilage matrix

Answer 22

chondrocytes

Question 23

chondrocytes often occurs in groups called

Answer 23

isogenous or cell nests

Question 24

spherical cells with fewer organelles than the chondroblast

Answer 24

chondrocytes

Question 25

cells directly derived from chondrogenic cells.

Answer 25

chondroclats

Question 26

also called cartilage eaters because they phagocytize cartilage matrix

Answer 26

chondroclast

Question 27

they are responsible for shaping cartilage by removing or eating excess cartilage matrix

Answer 27

chondroclast

Question 28

Cartilage is classified based on the

Answer 28

predominate type of fiber in the matrix

Question 29

this type of cartilage has matrix has fine, type II collagen fibers in the matrix.

Answer 29

hyaline cartilage

Question 30

These fibers are of similar refractive index to the surrounding ground substance and are not distinctly visible in the amorphous matrix.

Answer 30

hyaline cartilage

Question 31

The staining differences in the matrix of hyaline cartilage are due to

Answer 31

variations in proteoglycan content

Question 32

provides shape retention and tensile strength

Answer 32

fibers

Question 33

what type of collagen is present in the fibers of cartilage

Answer 33

type 2

Question 34

these component of the cartilage is responsible for the absorption of compression forces

Answer 34

amorphous gel-like matrix

Question 35

the amorphous gel-like matrix is composed of proteoglycans which serves as ______

Answer 35

the proteinaceous backbone to which the CHO in the form of GAGs are attached

Question 36

prinicipal GAGs in amorphous gel-like matrix

Answer 36

chondroitin sulfate and keratan sulfate

Question 37

a gelatinous mucopolysaccharide that binds the proteoglycans together into large aggregates

Answer 37

hyaluronic acid

Question 38

this type of cartilage is flexible and resilienrt

Answer 38

hyaline cartilage

Question 39

what type of cartilage is where the chondrocytes appear spherical, has lacuna, and collagen is the only fiber

Answer 39

hyaline cartilage

Question 40

a type of cartilage that is highly bendable and the matrix

Answer 40

elastic

Question 41

They serve as mechanical support and covers articulating surfaces of bones. They are model for formation of tubular bones and plays a role in repair of fractures.

Answer 41

hyaline cartilage

Question 42

term “hyalos” means

Answer 42

glassy as it appears white and glassy grossly

Question 43

Hyaline cartilage is found in the

Answer 43

tracheal rings and articular cartilage as well as the respiratory organs

Question 44

color of elastic cartilage

Answer 44

grossly yellow due to the yellow color of elastic fibers in the fresh state.

Question 45

Elastic fibers are distinctly visible as

Answer 45

short fine black (with silver stain) steaks in the amorphous matrix; while the collagen fibers are not visible.

Question 46

give the cartilage the ability to be deformed and return to shape

Answer 46

elastic fibers

Question 47

the matrix of elastic cartilage is mainly comprised of

Answer 47

elastic fibers and type 2 collagen

Question 48

Lacunae and cell nests are more frequent and closer together than in hyaline cartilage. Chondrocytes are bigger than those of hyaline cartilage and perichondrium is also present.

Answer 48

elastic cartilage

Question 49

where is elastic cartilage foubd

Answer 49

in the organs or structures that need resilience such as the pinna of the ear, eustachian tube, external auditory meatus, larynx and epiglottis

Question 50

has prominent, type I collagen fibers which are arranged in either an interwoven, herringbone pattern or a unidirectional fashion.

Answer 50

fibrocartilage

Question 51

Has a feature of both the DWFCT and cartilage, thus considered an intermediate between these two tissues.

Answer 51

fibrocartilage

Question 52

Composed of large bundles of collagen fibers separated by isolated groups of cartilage

Answer 52

fibrocartilage

Question 53

type of cartilage where the Chondrocytes tend to be arranged in somewhat regular rows rather than the obvious isogenous groups

Answer 53

fibrocartilage

Question 54

They are known to resist compression and tension

Answer 54

fibrocartilage

Question 55

where is fibrocartilage located

Answer 55

Located at transition points between DWFCT and cartilage or between DWFCT and bone, such as the pubic symphysis, periphery of the intervertebral disc where it forms a fibrous ring called annulus fibrosus, and the attachments of certain tendons and ligaments and in menisci.

Question 56

Maintenance and Repair of Cartilage

Answer 56

Cartilage is maintained throughout life by the nutritive role of chondrocytes.

Question 57

the type of hyaline cartilage that is acidophilic matrix due to lesser amoutn of glycosaminoglycans

Answer 57

young cartilage

Question 58

the reason why mature hyaline cartilage is basophilic

Answer 58

due to the accumulation of glycosaminoglycans

Question 59

these cartilage has flattened lacunae and chondrocytes

Answer 59

young carrilage

Question 60

this cartilage is large and ovoid lucana and chondrocytes, with cell nests and isogenous groups

Answer 60

mature

Question 61

what do you call the fibrous ring formws in the periphery of the intervertebral disc

Answer 61

annulus fibrosus

Question 62

principal component of the cartilage

Answer 62

intercellular substance

Question 63

cartilage is made up of

Answer 63

capsule, cells, intercerllular

Question 64

formed early by condensation from mesenchyml connective tissue. It is absent in the articular cartilage of the synovial joint

Answer 64

perichondrium

Question 65

made up of stellate or spindle-shaped chondrogenic cells from the fibroblast cell line.

Answer 65

intercellular or chondrogenic layer

Question 66

form the fiber network of cartilage matrix

Answer 66

collagen

Question 67

Cartilage matrix between lacunae are termed

Answer 67

inter-territorial matrix

Question 68

the territorial matrix is located

Answer 68

around the lacunar margin