Classification of Connective Tissue

Question 1

What is connective tissue

Answer 1

Most abundant and widely distributed primary tissue in the body. Cells + ground substance + fibres. Cells produce the ground substance and fibres.

Question 2

Function of connective tissue

Answer 2

Connects and binds things together, supports, strengthens, protects, insulates, compartmentalise, transports and provides energy (adapose tissue)

Question 3

Location of connective tissue

Answer 3

Found in all organs and parts of the body but it’s amount varies

Question 4

What are the five cells of connective tissue

Answer 4

1- Adipose cells (provide energy source and cushioning
2- Fibroblasts (Secrete fibres and ground substance)
3- Mast cells (immunity. role in detecting foreign agents).
4- White blood cells (Repair injury and fight off infection)
5- Macrophages (destroy foreign molecules).

Question 5

Describe the ground substance of connective tissue

Answer 5

Fills the spaces between the cells of the connective tissue, and the space where the fibres are suspended.

Question 6

What are the three fibres of connective tissue

Answer 6

1- Collagen fibre
2- Elastic fibres
3- Reticular fibres

Question 7

What are the four classes of connective tissue

Answer 7

1- Connective tissue proper
2- Cartilage
3- Bone
4- Blood

Question 8

What are the two subdivisions of connective tissue proper

Answer 8

1- Loose

2- Dense

Question 9

What are the three types of loose CT proper

Answer 9

1- Areolar
2- Adipose
3- Reticular

Question 10

Function and location of Areolar

Answer 10

Function: Loose packing, support and binding other tissues
Location: Widely distributed throughout the body e.g CT that epithelia of skin rests on

Question 11

Function and location of Adipose

Answer 11

Function: Nutrient-storing ability, shock absorption, protection, insulation.
Location: Fat beneath the skin. Surrounding kidneys, breasts, abdomen and hips.

Question 12

Function and location of Reticular

Answer 12

Function: Forming a framework to support free blood cells.
Location: Lymph nodes, Spleen, Bone marrow.

Question 13

What are the three types of Dense CT proper

Answer 13

1- Regular
2- Irregular
3- Elastic

Question 14

Function and location of regular

Answer 14

Function: Attachment
Location: Tendants and most ligaments

Question 15

Function and location of irregular

Answer 15

Function: Provides strength and stretching abilities
Location: Found in the skins dermis. Fibrous coverings surrounding bones, cartilages, muscles and nerves.

Question 16

Function and location of elastic

Answer 16

Function: High recoil and strength
Location: Walls of arteries and ligaments between spinal vertebrae.

Question 17

Describe cartilage

Answer 17

Made of cartilage cells within a rigid matrix. Avascular and not innervated (No blood or nerve supply).

Question 18

Functions of cartilage

Answer 18

Functions: Provides protection, flexibility, rigidity and capable of withstanding pressure.

Question 19

What are the three types of cartilage

Answer 19

1- Hyaline cartilage
2- Fibrocartilage
3- Elastic cartilage

Question 20

Location of the three types of cartilage

Answer 20

Hyaline: Rib cage, trachea, articulating surfaces of bones and nose.
Fibro: Intervertebral discs and pubic symphysis.
Elastic: Ear and epiglottis

Question 21

Describe bone

Answer 21

Supports and protects your body structures. Composed of cells and matrix.

Question 22

What are the two types of bone and where are they located

Answer 22

1- Spongy bone. Found at ends of long bone, sternum, vertebrate and pelvis.
2- Compact bone. Found in the shaft of long bone and makes up the outer portions of the shaft of all bones.

Question 23

Describe blood

Answer 23

Atypical connective tissue as doesn’t provide support or connect anything. Mostly red blood cells (erythocytes) and scattered white blood cells (leucocytes) and platelets. Transport for nutrients, wastes and respiratory gases around the body.