Supporting Connective Tissues

Question 1

• Gel-type ground substance

* For shock absorption and protection

Answer 1

Cartilage

Question 2

• Calcified (made rigid by calcium salts, minerals)

* For weight support

Answer 2

Bone

Question 3

Means made rigid by calcium salts, minerals

Answer 3

Calcified

Question 4

Support Soft Tissues and Body Weight

Answer 4

Cartilage
Bone
Cartilage Matrix
• Chondrocytes (Cartilage Cells) surrounded by
Lacunae (Chambers)

Question 5

• Proteoglycans derived from chondroitin sulfates

* Ground substance proteins

Answer 5

Cartilage matrix

Question 6

Cartilage Cells are also known as

Answer 6

Chondrocytes

Question 7

Chambers also known as

Answer 7

Lacunae

Question 8

• Cartilage Structure with No blood vessels. As a result, chrondocytes produce ______

Answer 8

produce antiangiogenesis factor

Question 9

• Outer, fibrous layer (for strength)

* Inner, cellular layer (for growth and maintenance)

Answer 9

• Perichondrium

Question 10

Cartilage Structure characteristics

Answer 10

• No blood vessels

- Perichondrium

Question 11

Types of Cartilage

Answer 11

1. Hyaline cartilage
2. Elastic cartilage
3. Fibrocartilage (fibrous cartilage)

Question 12

• Stiff, flexible support
• Reduces friction between bones
• Found in synovial joints, rib tips, sternum, and trachea

Answer 12

• Hyaline Cartilage

Question 13

• Supportive but bends easily

* Found in external ear and epiglottis

Answer 13

• Elastic Cartilage

Question 14

• Limits movement
• Prevents bone-to-bone contact
• Pads knee joints
• Found between pubic bones and intervertebral discs

Answer 14

Fibrocartilage (Fibrous Cartilage)

Question 15

• Found in synovial joints, rib tips, sternum, and trachea

Answer 15

• Hyaline Cartilage

Question 16

• Found in external ear and epiglottis

Answer 16

• Elastic Cartilage

Question 17

• Found between pubic bones and intervertebral discs

Answer 17

Fibrocartilage (Fibrous Cartilage)

Question 18

Functions of Hyaline Cartilage

Answer 18

FUNCTIONS: Provides stiff but
somewhat flexible support;
reduces friction
between bony
surfaces

Question 19

Locations of Hyaline Cartilage

Answer 19

LOCATIONS: Between tips of ribs
and bones of sternum; covering
bone surfaces at synovial joints;
supporting larynx (voice box),
trachea, and bronchi; forming part
of nasal septum

Question 20

Functions of Elastic Cartilage

Answer 20

FUNCTIONS: Provides support, but
tolerates distortion without
damage and returns
to original shape

Question 21

Locations of Elastic Cartilage

Answer 21

LOCATIONS: Auricle of external ear;
epiglottis; auditory canal; cuneiform
cartilages of larynx

Question 22

Functions of Fibrocartilage

Answer 22

FUNCTIONS: Resists
compression;
prevents bone-to-bone
contact; limits
movement

Question 23

Locations of Fibrocartilage

Answer 23

LOCATIONS: Pads within knee joint;
between pubic bones of pelvis;
intervertebral discs

Question 24

• Strong (calcified calcium salt deposits)

* Resists shattering (flexible collagen fibers)

Answer 24

Bone or Osseous Tissue

Question 25

• Arranged around central canals within matrix
• Small channels through matrix (canaliculi) access
blood supply

Answer 25

Bone Cells or Osteocytes

Question 26

• Covers bone surfaces, and arranged into two layers:
• Fibrous layer
• Cellular layer

Answer 26

• Periosteum

Question 27

Two layers of • Periosteum

Answer 27

• Fibrous layer

* Cellular layer

Question 28

Small channels through matrix is called

Answer 28

canaliculi

Question 29

Resists shattering

Answer 29

flexible collagen fibers

Question 30

Bone is strong because of

Answer 30

calcified calcium salt deposits