Activity 2: Connective Tissue and Examining Connective Tissue Under the Microscope

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1

What is the most abundant of the tissue types?

Connective tissue

2

What are the 4 main types of connective tissue?

1. Connective tissue proper

2. Cartilage

3. Bone

4. Blood

3

The 4 connective tissue types derive from what type of embryonic tissue?

Mesenchyme

4

What are the 2 subclasses of connective tissue proper?

1. Loose connective tissue

2. Dense connective tissue

5

What are the 3 loose connective tissue types?

1. Areolar

2. Adipose

3. Reticular

6

What are the 3 dense connective tissue types?

1. Dense regular

2. Dense irregular

3. Elastic

7

What are the 3 general functions of connective tissues on other tissues?

1. Protect

2. Support

3. Bind

8

What are the 2 functions of bone?

1. Protect other body tissues.

2. Protect other organs.

9

What are the 2 functions of dense regular connective tissue (i.e. tendons and ligaments)?

1. Bind bones together.

2. Connect skeletal muscles to bones.

10

What are the 2 functions of areolar connective tissue?

1. Cuchions body organs

2. Protects body organs

11

What are the 2 functions of adipose tissue?

1. Insulation for the body tissues.

2. Source of stored energy.

12

Blood-forming tissue (hematopoietic) replenishes the body's supply of what?

Red blood cells

13

Wounds can be repaired by connective tissue in what form?

Scar tissue

14

What are the 3 characteristics of connective tissues?

1. Connective tissues (except for cartilages, tendons, and ligaments) have a rich supply of blood vessels.

2. Composed of many types of cells.

3. Noncellular, nonliving material (matrix) exist between the cells of connective tissues.

15

What distinguishes connective tissue from all other tissues?

Extracellular matrix

16

The extracellular matrix is responsible for primarily what in connective tissues?

Strength

17

What are the two components of the extracellular matrix?

1. Ground substance

2. Fibers

18

The ground substance is composed of what 3 things?

1. Interstitial fluid

2. Cell adhesion proteins

3. Proteoglycans

19

When the matrix is firm, like in cartilage and bone, where do the connective tissue cells reside?

Lacunae.

20

What are the 3 types of fibers?

1. Collagen

2. Elastic

3. Reticular

21

What is the function of the 3 fiber types?

Support

22

Which fiber type is the most abundant?

Collagen

23

Which is the model connective tissue type and why?

Areolar connective tissue because it has all the three varieties of fiber.

24

What are 4 cells that may be present in connective tissues?

1. Fibroblast

2. Macrophages

3. White blood cells

4. Mast cells

25

Which type of cell in connective tissues secretes the extracellular matrix?

Fibroblast

26

What are the functions of connective tissue proper: loose connective tissue, areolar?

1. Cushions organs

2. Holds tissue fluid

27

What are the locations of connective tissue proper: loose connective tissue, areolar?

1. Under epithelia of body

2. Around organs

3. Surrounds capillaries

28

What are the functions of connective tissue proper: loose connective tissue, adipose?

1. Reserve of fuel

2. Insulation

3. Supports organs

4. Protects organs

29

What are the locations of connective tissue proper: loose connective tissue, adipose?

1. Under skin in hypodermis

2. Around kidneys

3. Around eyeballs

4. Within abdomen

5. In breasts

30

What is the function of connective tissue proper: loose connective tissue, reticular?

Supports other cell types like white blood cells, mast cells, and macrophages.

31

What are the locations of connective tissue proper: loose connective tissue, reticular?

1. Lymph nodes

2. Bone marrow

3. Spleen

32

What are the functions of connective tissue proper: dense irregular connective tissue?

1. Withstand tension in many directions

2. Structural strength

33

What are the locations of connective tissue proper: dense irregular connective tissue?

1. Fibrous capsules of organs

2. Fibrous capsules of joints

3. Dermis of skin

4. Submucosa of digestive tract

34

What are the functions of connective tissue proper: dense regular connective tissue?

1. Attaches muscles to bones

2. Attaches muscles to muscles

3. Withstands tensile stress in one direction

35

What are the locations of connective tissue proper: dense regular connective tissue?

1. Tendons

2. Most ligaments

3. Aponeuroses

36

What are the functions of connective tissue proper: elastic connective tissue?

1. Allows recoil of tissue following stretching.

2. Maintains pulsatile flow of blood through arteries.

3. Aids recoil of lungs following inspiration.

37

What are the locations of connective tissue proper: elastic connective tissue?

1. Walls of large arteries.

2. Within certain ligaments of the vertebral column.

3. Walls of the bronchial tubes.

38

What are the functions of cartilage: hyaline?

1. Support

2. Reinforcement

3. Cushion

4. Resists compressive stress

39

What are the locations of cartilage: hyaline?

1. Most of the embryonic skeleton.

2. Ends of long bones in joint cavities.

3. Costal cartilages of ribs.

4. Cartilages of nose, trachea, and larynx.

40

What is the function of cartilage: elastic?

Maintains shape of a structure while allowing flexibility.

41

What are the locations of cartilage: elastic?

1. External ear

2. Epiglottis

42

What is the function of cartilage: fibrocartilage?

Tensile strength to absorb compressive shock.

43

What are the locations of cartilage: fibrocartilage?

1. Intervertebral discs

2. Pubic symphysis

3. Discs of knee joints

44

What are the functions of bone (osseous tissue)?

1. Supports

2. Protects

3. Provides levers for muscles to act on.

4. Stores calcium, minerals, and fat.

5. Marrow inside bones is site of blood cell formation (hematopoiesis)

45

Where is bone (osseous tissue) located?

Bone

46

What is function of blood?

Transport of respiratory gases, nutrients, wastes, and other substances.

47

What is the location of blood?

Within blood vessels.

48
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper: loose connective tissue, areolar

2. Collagen fiber

49
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Cartilage: hyaline

2. Matrix

50
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper: loose connective tissue, adipose

2. Nucleus of fat cell

51
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper: loose connective tissue, adipose

2. Vacuole of fat droplet

52
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper: dense regular connective tissue

2. Collagen fiber

53
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper: dense regular connective tissue

2. Collagen fiber

54
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper: loose connective tissue, reticular

2. White blood cell

55
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper: loose connective tissue, reticular

2. White blood cell

56
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper: loose connective tissue, reticular

2. White blood cell

57
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper; dense irregular connective tissue

2. Collagen fiber

58
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper: dense irregular connective tissue

2. Collagen fiber

59
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Cartilage: elastic

2. Chondrocyte in lacuna or lacuna

60
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Cartilage: elastic

2. Lacuna

61
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Cartilage: elastic

2. Lacuna

62
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Connective tissue proper: loose connective tissue, areolar

2. Collagen fiber

63
card image

1. Name the type of tissue.

2. Name the feature of the pointer.

1. Cartilage: hyaline

2. Matrix, or lacuna, or chondrocyte in lacuna

64
card image

1. Name the type of tissue.

2. Name the numbers.

1. Blood

____

1. Neutrophil

2. Plasma

3. Lymphocyte

4. Red blood cell

65
card image

1. Name the type of tissue.

2. Name the numbers.

1. Connective tissue proper: dense irregular connective tissue

____

1. Nuclei of fibroblast

2. Collagen fiber

66
card image

1. Name the type of tissue.

2. Name the numbers.

1. Connective tissue proper: elastic connective tissue

2. Elastic fiber

67
card image

1. Name the type of tissue.

2. Name the numbers.

1. Cartilage: fibrocartilage

____

1. Chondrocyte in lacuna

2. Collagen fiber

68
card image

1. Name the type of tissue.

2. Name the numbers.

1. Cartilage: hyaline

____

1. Chondrocyte in lacuna

2. Matrix

69
card image

1. Name the type of tissue.

2. Name the numbers.

1. Cartilage: hyaline

____

1. Matrix

2. Chondrocyte in lacuna

70
card image

1. Name the type of tissue.

2. Name the numbers.

1. Connective tissue proper: loose connective tissue, areolar

____

1. Elastic fiber

2. Fibroblast nuclei

3. Collagen fiber

71
card image

1. Name the type of tissue.

2. Name the numbers.

1. Connective tissue proper: dense regular connective tissue

____

1. Collagen fiber

2. Nucleus of fibroblast