Exam 1

Question 0

Keratin sulfate

Answer 0

Cornea, bone, cartilage

Question 1

Chondroitin sulfate

Answer 1

Cartilage, bone, heart valves, tendons, ligaments. Increase with compression

Question 2

Dermatan sulfate

Answer 2

Skin, blood vessels, tendons, ligaments. Increase with tensile strength

Question 3

Fibronectin

Answer 3

Interacts with cell surface receptors and gags. Blood clotting components, denatured collagen, cytoskeleton

Question 4

Laminin

Answer 4

In basement membrane. Bonds type 4 collagen, HS, and integrin

Question 5

Chondronectin

Answer 5

Found in cartilage. Attaches chondrocytes to type 2 collagen.

Question 6

Main PG of ligaments

Answer 6

Dermatan sulfate

Question 7

Collagen content of ligament

Answer 7

Type 1, varying amounts of 3,4,5 and elastin

Question 8

Collagen types in tendons

Answer 8

Primarily type 1. Type 3 in tendon sheaths. Types 4 and 5 in basal lamina of fibroblasts

Question 9

Endotendon

Answer 9

Encloses fibers to form fascicles. Contains mostly type 3 collagen fibrils

Question 10

Tensosynovium

Answer 10

Peritendon becomes a synovium filled sheath in tendons that are subjected to high levels of friction

Question 11

Collagen types in cartilage

Answer 11

Type 2. Type 9 to interact with proteogylcans. Type 11 regulates fibril size

Question 12

Main PG associated with cartilage

Answer 12

KS and CS in aggrecan

Question 13

Collagen type in fibrocartilage

Answer 13

Type 1. Where little motion occurs

Question 14

Main type of collagen in bone

Answer 14

Type 1

Question 15

What does SAID stand for

Answer 15

Specific adaptation to imposed demand

Question 16

Collagen type of fibroblasts

Answer 16

Type 1

Question 17

Collagen type of chondroblasts

Answer 17

Type 2

Question 18

Collagen type of osteoblasts

Answer 18

Type 1 and hydroxyapatite

Question 19

Role of mast cells

Answer 19

Inflammatory mediators

Question 20

Mesenchymal cells

Answer 20

Undifferentiated cells found in embryos. Can differentiate into different CT

Question 21

Aggregan

Answer 21

Chains of KS and CS attached to hyalouranon. Creates osmotic swelling pressure in cartilage by attracting water

Question 22

Fibrous synarthroses

Answer 22

Suture, gomphoses, and syndesmoses

Question 23

Cartilaginous synarthroses

Answer 23

Symphysis and synchondroses

Question 24

Hyalouranon

Answer 24

Non sulfated. Independent GAG. Maintains strength of cartilage.

Question 25

Ruffini

Answer 25

Stretch (extremes of extension)

Question 26

Pacini

Answer 26

Compression or changes in hydrostatic pressure

Question 27

Golgi

Answer 27

Pressure and forceful joint motion

Question 28

Unmyelinated

Answer 28

Noxious and non noxious mechanical or bio mechanical stress

Question 29

Sutures

Answer 29

Connected by dense fibrous tissue. Edges overlap. Found in skull

Question 30

Synostosis

Answer 30

Fusion of suture

Question 31

Gomphoses

Answer 31

Situated like a peg in a hole. Tooth in mandible

Question 32

Syndesmoses

Answer 32

Joined directly by ligament or membrane. Shaft of tibia and fibula.

Question 33

Symphysis

Answer 33

Joined by fibrocartilage in form of disc or plate. Covered with lamina or hyaline cartilage. Intervertebral discs. Pubic symphysis

Question 34

Synchondrosis

Answer 34

Connected by hyaline cartilage. Forms between ossifying centers in bone. Found in skull and areas of bone growth.

Question 35

Stratum fibrosum

Answer 35

Outer layer of joint capsule. Type 1 collagen. Poorly vascularized, richly innervated.

Question 36

Stratum synovium and two layers

Answer 36

Inner layer of joint capsule
Highly vascularized poorly innervated
Intima is composed of synoviocytes
Subsynovial tissue is outside Intima. Highly vascularized. Contains most of the joint receptors.

Question 37

Uniaxial joints

Answer 37

Hinge

Pivot

Question 38

Biaxial joints

Answer 38

Condyloid

Saddle

Question 39

Triaxial joints

Answer 39

Plane

Ball and socket