Midterm (Specialized Connective Tissue - Bone Tissue)

Question 1

What are the 4 types of cells found within bone tissue

Answer 1

1. Osteoblasts
2. Osteocytes
3. Osteogenic Cells
4. Osteoclasts

Question 2

It developed in osteoblasts

Answer 2

Osteogenic Cells

Question 3

It’s location is in deep layers of the periosteum and the marrow

Answer 3

Osteogenic Cells

Question 4

Bone formation

Answer 4

Osteoblasts

Question 5

Growing portion of bone, including periosteum and endosteum

Answer 5

Osteoblasts

Question 6

It maintain mineral concentration of matrix

Answer 6

Osteocytes

Question 7

It’s location is entrapped in matrix

Answer 7

Osteocytes

Question 8

Bone resorption

Answer 8

Osteoclasts

Question 9

Bone surfaces and at sites of old, injured, or unneeded bone

Answer 9

Osteoclasts

Question 10

This cells are undifferentiated with high mitotic activity and they are the only bone cells that divide

Answer 10

Osteogenic Cells

Question 11

This cell is responsible for forming new bone

Answer 11

Osteoblasts

Question 12

This cell do not divide, synthesize, and secrete the collagen matrix and calcium salts

Answer 12

Osteoblasts

Question 13

It is the primary cell of mature bone and the most common type of bone cell

Answer 13

Osteocyte

Question 14

Each osteocytes is located in a space called _____ and is surrounded by bone tissue

Answer 14

Lacuna

Question 15

What are the tiny channels or tiny canals within the bone matrix

Answer 15

Canaliculi / canaliculus

Question 16

The cell responsible for bone resorption, or breakdown

Answer 16

Osteoclasts

Question 17

They are found on bone surfaces, are multinucleated, and originate from monocytes and macrophages, not form osteogenic Cells

Answer 17

Osteoclasts

Question 18

It is denser, stronger of the two types of bone tissue

Answer 18

Compact bone

Question 19

It can be found under the periosteum and in the diaphyses of long bones, where it provides support and protection.

Answer 19

Compact bone

Question 20

The hard, dense bone composed of osteon that forms the surface layer of all mature bones and the shafts of long bones

Answer 20

Compact bone

Question 21

The microscopic structural unit of compact bone is called

Answer 21

Osteon or Haversian system

Question 22

Each osteon is composed of his three

Answer 22

1. Lamellae
2. Central Canal or Haversian Canal
3. Osteocytes

Question 23

It is concentric rings of calcified matrix

Answer 23

Lamellae

Question 24

Running down the center of each osteon, containing blood vessels, nerves and lymphatic vessels.

Answer 24

Central Canal / Haversian Canal

Question 25

These vessels and nerves branch off at right angles through a ______ also known as _______, to extend to te periosteum and endosteum

Answer 25

Perforating canal or Volkmann's canal

Question 26

It is located inside spaces called lacunae, found at the border of adjacent lamellae

Answer 26

Osteocytes

Question 27

It contains osteocytes housed in lacunae,but they are not arranged in concentric circles

Answer 27

Spongy bone

Question 28

The lacunae and osteocytes are found in a lattice-likd network of matrix spikes called

Answer 28

Trabeculae

Question 29

The spaces of ______ contains red marrow, protected by the trabeculae, where hematopoiesis occurs

Answer 29

Spongy bone

Question 30

It is a flexible connective tissue that differs from bone in several ways

Answer 30

Cartilage

Question 31

It is the primary cell types as opposed to osteocytes

Answer 31

Chondrocytes

Question 32

This are the first chondroblasts cells that produce the collagen extracellular matrix and then get caught in the matrix

Answer 32

Chondrocytes

Question 33

It lies in spaces called lacunae with up to eight chondrocytes contained in each lacuna

Answer 33

Chondrocytes

Question 34

It rely on diffusion to obtain nutrients

Answer 34

Chondrocytes

Question 35

It is avascular, meaning there are no vessels to carry blood to cartilage tissue

Answer 35

Cartilage

Question 36

2 components of cartilage tissue

Answer 36

Cartilage cells Cartilage matrix

Question 37

In cartilage cells there are 3 types:

Answer 37

Chondroblasts Chondrocytes Chondroclasts

Question 38

It is made up of semi-solid ground substance which contain connective tissue fibers - collagena and elastic fibers

Answer 38

Cartilage matrix

Question 39

Newly formed cartilage cells; responsible for secretion of cartilage matrix

Answer 39

Chondroblasts

Question 40

These are chondroblasts that have matured; they are lodged / trapped inside the lacunae

Answer 40

Chondrocytes

Question 41

It is responsible for resorption of cartilage

Answer 41

Chondroclasts

Question 42

It proliferate rapidly by mitotic division and become condensed

Answer 42

Mesenchymal cells

Question 43

It synthesis matrix and cells, and cells in the centre become chondrocytes

Answer 43

Chondroblasts

Question 44

3 types of cartilage

Answer 44

1. Hyaline Cartilage 2. Fibrocartilage 3. Elastics Cartilage

Question 45

It supports and reinforces: has resilient cushioning properties; resists compressive stress

Answer 45

Hyaline Cartilage

Question 46

It forms most of the embryonic skeleton; covers the ends of long bones in joint cavities; forms costal cartilages of the ribs; cartilage of the nose, trachea, and larynx

Answer 46

Hyaline Cartilage

Question 47

Tensile strength with the ability to absorb compressive shock

Answer 47

Fibrocartilage

Question 48

Intervertebral discs; pubic symphysis; discs of knee joint

Answer 48

Fibrocartilage

Question 49

Maintains the shape of a structure while allowing great flexibility

Answer 49

Elastic Cartilage

Question 50

It supports the external ear (pinna); epigiottie

Answer 50

Elastic Cartilage