86 Chapter Five Histology 22. Match the description listed in column A with the

Question

86 Chapter Five Histology 22. Match the description listed in column A with the name of the connective tissue listed in column B. Column B Column A -1. makes up the cartilage discs between the vertebrae and between the pubic bones 2· transports materials within blood vessels 3. inner supporting framework of spleen, liver, and lymph nodes 4. tough tissue that connects bone to bone and muscle to bone 5. cartilage that retains its original shape after being deformed, such as in the cartilage of the ear 6. allows the aorta (a large blood vessel) to stretch with each pulse of blood pumped into b. blood c. dense regular connective tissue d. elastic cartilage e. elastic connective tissue f. fibrocartilage g. hyaline cartilage h. reticular connective tissue it from the heart and then return to its original size 7 helps keep the body warm and stores excess fuel (energy) 8. forms the ends of long bones, the larynx, the costal cartilages, and the embryonic skeleton . Cartilage is unique as a connective tissue in that it is avascular. What l limitations does avascularity impose on cartilage as a tissue? Avas Cnler tissues must relv on srrounotun (h al Cello as taie prpia limits its ela OWin

Explanation / Answer

1) Makes up the cartilage discs between the vertebrae and between the pubic bones - Fibrocartilage.

Fibrocartilage is present in the menisci of the stifle joint, the annulus fibrosis of the intervertebral discs and where ligaments and tendons attach to hyaline cartilage surfaces of joints.

2) Transports materials within the blood vessels - Blood, which is fluid connective tissue.

Blood is a body fluid in humans and other animals, which transports essential substances such as nutrients and oxygen to the cells and transports metabolic waste products away from cells.

3) Inner supporting framework of spleen, liver, and lymph notes - Reticular connective tissue.

Reticular connective tissue forms a scaffolding for other cells in several organs, such as spleen, liver, lymph nodes and bone marrow.

4) Tough tissue that connects bone to bone and muscle to bone - Dense regular connective tissue.

Dense regular connective tissue provides connection between different tissues in the human body. The collagen fibers in dense regular connective tissue are bundled in a parallel fashion.

5) Cartilage that retains its original shape after being deformed, such as in the cartilage of the ear - Elastic Cartilage.

Elastic cartilage is found in the epiglottis (part of the larynx), the pinnae (the external ear flaps of many mammals).

6) Allows the aorta (a large blood vessel) to stretch with each pulse of blood pumped into it from the heart and then return to its original size - Elastic connective tissue.

Elastic connective tissues have elastic fibers are bundles of proteins (elastin) found in extracellular matrix of connective tissue and produced by fibroblasts and smooth muscle cells in arteries.

7) Helps keep you warm and stores excess fuel (energy) molecules - Adipose connective tissue.

Adipose connective tissue is loose connective tissue composed of adipocytes. Its main role is to store energy in the form of fat. It also cushions and insulates the body.

8) Forms the ends of long bones, the larynx, the costal cartilage of the ribs, and the embryonic skeleton - Hyaline cartilage.

Hyaline cartilage found in the ribs, nose, larynx, trachea. It is a precursor of bone. It has widely dispersed fine collagen fibres for their strength. It has a perichondrium and it is the weakest of the three types of cartilage.

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