Skeletal System

Front 1

Consists of dense matrix of collagen fibers and elastic fibers embedded in a rubbery ground substance

Back 1

Cartilage

Front 2

The matrix is produced by cells called _______ which become embedded on the matrix as __________

Back 2

Chondroblasts; chondrocytes

Front 3

The chondrocytes lie in spaces called

Back 3

Lacunae

Front 4

When a ___________ divides, each daughter cell forms a _______ so that only one or two cells usually lie in a lacuna

Back 4

Chondrocyte; matrix

Front 5

cluster of chondrocytes (usu. 3 or 4)

Back 5

Isogenous group

Front 6

The surface of the developing cartilagebecomes covered by

Back 6

perichondrium,

Hint 6

This is where muscles, tendons and ligaments later become attached

Front 7

a dense layer of connective tissue

Back 7

Perichondrium

Front 8

3 types of cartilage

Back 8

1. Hyaline cartilage 2. Fibrocartilage 3. Elastic cartilage

Front 9

Most abundant of the 3 types of cartilage

Back 9

Hyaline

Front 10

Consists of a bluish-white, shiny ground elastic material with a matrix of chondroitin sulphate into which many fine collagen fibrils are embedded

Back 10

Hyaline cartilage

Front 11

Contains numerous chondrocytes

Back 11

Hyaline Cartilages

Front 12

Cartilage that can be found in larynx, trachea, bronchi, nose, and embryonic skeleton

Back 12

Hyaline

Front 13

Hyaline cartilages provides _________surfaces allowing tissues to slide easily against each other

Back 13

Smooth

Front 14

Why are there cartilaginous rings surrounding the trachea and bronchi?

Back 14

To support the trachea and bronchi and to keep them open and prevent them from collapsing.

Front 15

The cartilaginous rings of the trachea and primary bronchi are

Back 15

C shaped

Hint 15

Front 16

The hyaline cartilage in the larynx serves as __________ for the muscles controlling the vocal cords.

Back 16

Attachments

Front 17

Embryonic/fetal skeleton is also

Back 17

Hyaline

Front 18

Tough form of cartilage

Back 18

Fibrocartilage

Front 19

Fibrocartilage consists of chondrocytes scattered among clearly visible,_________________ within the matrix

Back 19

dense bundles of collagen fibers

Front 20

T or F fibrocartilage has abundant perichondrium

Back 20

F

Front 21

Strongest among the 3 types and it provides support/rigidity to attached structures

Back 21

F8brocartilage

Front 22

Can be found in intervertebral discs, menisci (cartilage pads) in knee joints, pubic symphysis

Back 22

Fibrocartilage

Front 23

The elastic cartilage is _____ in color

Back 23

Yellowish

Front 24

In elastic cartilage:

chondrocytes are located in a

______________________within the matrix of the cartilage

Back 24

threadlike network of elastic fibres

Front 25

T or f a perichondrium is absent in elastic cartilage

Back 25

F

Front 26

Cartilage that Gives support and helps define and maintain the shape of the area in which it is present

Back 26

Elastic cartilage

Front 27

Cartilage that can be found in external ear (auricle)

Back 27

Elastic cartilage

Front 28

Cartilage that can be found in epiglotis

Back 28

Elastic cartilage

Front 29

Cartilage that can be found in intervertebral discs

Back 29

Fibro

Front 30

Cartilage that can be found in knee joints

Back 30

Fibro

Front 31

Cartilage that can be found in pubic symphysis

Back 31

Fibro

Front 32

Cartilage that can be found in larynx

Back 32

Hyaline

Front 33

Cartilage that can be found in trachea

Back 33

Hyaline

Front 34

Cartilage that can be found in nose

Back 34

Hyaline

Front 35

Cartilage that can be found in embryonic skeleton

Back 35

Hyaline

Front 36

a connective tissue composed of a matrix of collagenous fibers w/ spaces consisting of hydroxyapatite crystals made up of calcium, phosphate & hydroxyl ions

Back 36

Bone

Front 37

T or f

Bone differs from cartilage in cell type

Back 37

T

Front 38

Bone is same with cartilage in composition of the matrix (w/ hydroxyapatite crystals)

Back 38

F...differs

Front 39

T or f

Cartilage is vascularized.

Back 39

FALSE it is bone

Front 40

What are the 5 functions of bones

Back 40

Support ,Protection ,movement Mineral storage ,blood cell formation

Front 41

hematopoiesis in bone marrows

Back 41

Blood Cell Formation

Front 42

Gjjh

Back 42

Tyu

Front 43

In _______, all types of blood cells are formed in the bone marrow.

Back 43

In Anurans, reptiles and birds

Front 44

,________ is the formation of bone by the activity of osteoblasts and the addition of minerals and salts.

Back 44

Ossification

Front 45

Hydroxyapatite crystals are deposited to the matrix under the influence of ________ (bone-forming progenitor cell)

Back 45

Osteoblasts

Front 46

A cementing substance (water + mucopolysaccharides) binds the crystals to the matrix.

Back 46

Bone

Front 47

What are the two ways of bone formation?

Back 47

1. By direct intramembranous ossification 2. endochondral ossification