Bones and Skeletal: Cartilage

Question 1

Initially, skeletal is composed of […] and […] membranes, but soon replaced by […].

Answer 1

cartilage; fibrous; bone

Question 2

Cartilages that remain in the body after bone transition are mainly found at what regions?

Answer 2

regions where flexible skeletal tissue is needed

Question 3

Cartilage consists primarily of […].

Answer 3

water

Question 4

Cartilage contains NO…

Answer 4

nerves or blood vessels

Question 5

What is cartilage surrounded by?

Answer 5

the perichondrium: layer of dense irregular connective tissue

Question 6

What does the perichondrium do for cartilage?

Answer 6

reinforcement– resist when compressed

nourishment– contains blood vessels

growth– aid in appositional growth

Question 7

Hyaline cartilages description (what does it look like):

Answer 7

frosted glass

Question 8

What does hyaline cartilage provide?

Answer 8

support, flexibility and resilience

Question 9

Which cartilage is most abundant?

Answer 9

hyaline cartilages

Question 10

What fiber resides in hyaline cartilages?

Answer 10

collagen ONLY

Question 11

Skeletal hyaline cartilages include (list the 4 on the body):

Answer 11

1. articular– cover the ends of most bones at movable joints
2. costal– connect the ribs to the sternum
3. respiratory– form the skeletal of the larynx and reinforce other passageways
4. nasal– support external nose

Question 12

Elastic cartilage resemble […], but they contain more […] fibers and so they are able to stand up to repeated […].

Answer 12

hyaline; elastic; bending

Question 13

What two locations (body) can elastic fibers be found?

Answer 13

1. external ear

2. epiglottis (flap for when we swallow)

Question 14

Which cartilage is highly compressible?

Answer 14

fibrocartilage

Question 15

Fibrocartilages consist of roughly […] rows of […] alternating with thick […] fibers.

Answer 15

parallel; chondrocytes; collagen

Question 16

Fibrocartilages occur in sites subjected to…

Answer 16

pressure and stretch

Question 17

What are some places (body) that you can find fibrocartilage?

Answer 17

1. menisci of the knee

2. discs between vertebrae

Question 18

Cartilage has a […] matrix that can accommodate mitosis.

Answer 18

flexible

Question 19

What are the two ways cartilage grows?

Answer 19

1. appositional

2. interstitial

Question 20

In […] growth cartilage forming cells in the surrounding perichondrium secret new […] against the external face of the existing cartilage tissue.

Answer 20

appositional; matrix

Question 21

[…] growth, […] chondrocytes divide and secrete new matrix, […] the cartilage from within.

Answer 21

interstitial; lacunae-bound; expanding

Question 22

When does cartilage growth end?

Answer 22

adolescence when the skeleton stops growing