Write down the types of connective tissue.write down their functions, occurrence,and structure.
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Answer:
Connective tissue provides support, transport, connection and storage within a body. There are six major types of connective tissue, including loose connective tissue, dense connective tissue, bone, cartilage, blood and lymph.
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Answer:
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Explanation:
Structure of Connective Tissue
Connective tissue is composed primarily of two elements: cells and a matrix. The types of cells found in connective tissue vary depending on the type of tissue they support. For example, red and white blood cells are found in blood, which is a fluid connective tissue. Adipocytes are fat cells found in adipose tissue, or fat. And fibroblasts are cells found in large quantities in many different types of connective tissues.
The matrix can be thought of as the substance in which the cells are embedded. The matrix can be fluid, semifluid, gelatinous, or ground substance and protein fibers. One very basic way to visualize this is to imagine Jell-O with chunks of fruit in it. Jell-O is the matrix, and the fruit represents cells. A ground substance is a supportive medium made of water and large molecules. There are three types of protein fibers found within the matrix. Collagen fibers are very strong and provide flexibility. Elastic fibers are very stretchy and assume their original shape after being stretched. Finally, reticular fibers are very thin and provide support for many soft organs and blood vessels.
Types of Connective Tissues
Connective tissue in the body comes in a variety of forms. In fetuses and embryos, we find embryonic connective tissue. Past the point of birth, there is mature connective tissue. There are six major types of mature connective tissue.
First, we will look at loose connective tissue. In this type, fibers are loosely entwined with many cells embedded. Adipose, or fat tissue, is an example of loose connective tissue. The subcutaneous tissue, or innermost layer of skin, is made up of adipose tissue, as well as areolar tissue, another loose connective tissue. If we pull on our skin, we can see that it moves around quite easily because of this loose connection.
Next, there is dense connective tissue. It has thicker, denser fibers and fewer cells. The matrix is made up mostly of collagen fibers, with fibroblasts arranged in rows. This type of connective tissue forms tendons and ligaments, which attach muscle to bone and bone to bone, respectively. If you feel the back of your leg where your heel meets your ankle, you will locate your Achilles tendon. You can feel that it is very firm and tight. It is important to have strong connections between muscle and bone for our body to move properly.
Types of Connective Tissue
Cartilage is the third type of connective tissue. Many of us are familiar with this flexible tissue that makes up our nose and ears. Cartilage is strong due to the collagen fibers within its matrix, and it is resilient due to a gel matrix. Cartilage is also found in the body as a cushion within the skeletal system.
Bones are a fourth example of connective tissue. Bones are made up of different types of connective tissue, including bone tissue and marrow. Bone tissue is either spongy or compact depending on the organization of the cells and matrix.