Session 9 - Connective Tissue

Question 1

Name the 3 classifications of connective tissue.

Answer 1

1. Embryonic connective tissue
2. Connective tissue proper
3. Specialised connective tissue

Question 2

What are the 2 types of embryonic connective tissue?

Answer 2

1. Mesenchyme
2. Mucous

Question 3

What are the 2 types of connective tissue proper?

Answer 3

1. Loose connective tissue
2. Dense connective tissue

Question 4

What are the 2 types of dense connective tissue?

Answer 4

1. Irregular
2. Regular

Question 5

Name the 5 types of specialised connective tissue.

Answer 5

1. Cartilage
2. Bone
3. Blood haemopoietic tissue
4. Adipose tissue
5. Lymphatic tissue

Question 6

What are the 2 types of adipose tissue?

Answer 6

1. White
2. Brown

Question 7

What type of cells make up mesenchyme tissue?

Answer 7

Mesenchymal cells

Question 8

Where is mesenchyme tissue located?

Answer 8

In the embryo

Question 9

Where is Mucous tissue located?

Answer 9

In the umbilical cord

Question 10

Which cell types make up Mucous tissue?

Answer 10

1. Mesenchymal cells
2. Fibroblasts

Question 11

What is another name for loose connective tissue?

Answer 11

Areolar connective tissue

Question 12

Where is loose connective tissue usually located?

Answer 12

Beneath epithelia and is associated with glands and blood vessels

Question 13

List 3 characteristics of loose connective tissue.

Answer 13

1. Highly vascular
2. Facilitates diffusion of oxygen, carbon dioxide, nutrients and metabolic waste
3. Responds to infective stimuli

Question 14

Where is dense irregular connective tissue usually located? List 5 places.

Answer 14

1. Submucosa
2. Reticular dermis
3. Fascia
4. Perichondrium
5. Periosteum

Question 15

Which cells make up dense irregular connective tissue?

Answer 15

Fibroblasts

Question 16

What are the characteristics of dense irregular connective tissue?

Answer 16

1. Abundant fibres with few cells
2. Provides strength
3. Resist excessive stretching and distension
4. Resistant to tearing from stretching forces

Question 17

Where is dense regular connective tissue usually located?

Answer 17

1. Tendons
2. Ligaments
3. Aponeuroses

Question 18

Which cells make up white adipose tissue?

Answer 18

1. Adipocytes
2. Mast cells

Question 19

Which type of adipose tissue is multilocular?

Answer 19

Brown adipose tissue

Question 20

Which type of adipose tissue is unilocular?

Answer 20

White adipose tissue

Question 21

Which type of adipose tissue is found mainly in the foetus and during the first decade after birth?

Answer 21

Brown adipose tissue

Question 22

List 5 functions of white adipose tissue.

Answer 22

1. Energy storage in the form of triglycerides
2. Regulation of energy metabolism
3. Insulation
4. Cushioning of vital organs
5. Secretion of hormones

Question 23

What is the function of brown adipose tissue?

Answer 23

Thermogenesis

Question 24

Where does brown adipose tissue derive its colour from?

Answer 24

1. Large number of mitochondria and cytochromes in the cytoplasm
2. Vascularity of the tissue

Question 25

Where in the adult body can brown adipose tissue be found?

Answer 25

1. Neck 2. Mediastinum 3. Around kidneys adrenal glands and aorta

Question 26

Where can lymphatic connective tissue be found?

Answer 26

1. Liver 2. Bone marrow 3. Lymphoid and haemopoietic organs

Question 27

What are the 3 types of fibres that can be found in the extracellular matrix?

Answer 27

1. Collagen 2. Reticular 3. Elastic

Question 28

Which cells produce reticular fibres? List 4

Answer 28

1. Fibroblasts 2. Reticular cells 3. Schwann cells 4. Smooth muscle cells

Question 29

Which cells produce elastic fibres?

Answer 29

1. Fibroblasts 2. Smooth muscle cells

Question 30

Name the 6 resident cell populations in connective tissue.

Answer 30

1. Fibroblasts 2. Myofibroblasts 3. Macrophages 4. Adipose cells 5. Mast cells 6. Stem cells