typeof connective tissue that lack fibre secreting cell is
Answers
Connective tissues are made up of a matrix consisting of living cells and a non-living substance, called the ground substance. The ground substance is made of an organic substance (usually a protein) and an inorganic substance (usually a mineral or water). The principal cell of connective tissues is the fibroblast. This cell makes the fibers found in nearly all of the connective tissues. Fibroblasts are motile, able to carry out mitosis, and can synthesize whichever connective tissue is needed. Macrophages, lymphocytes, and, occasionally, leukocytes can be found in some of the tissues. Some tissues have specialized cells that are not found in the others. The matrix in connective tissues gives the tissue its density. When a connective tissue has a high concentration of cells or fibers, it has proportionally a less dense matrix.
The organic portion or protein fibers found in connective tissues are either collagen, elastic, or reticular fibers. Collagen fibers provide strength to the tissue, preventing it from being torn or separated from the surrounding tissues. Elastic fibers are made of the protein elastin; this fiber can stretch to one and one half of its length and return to its original size and shape. Elastic fibers provide flexibility to the tissues. Reticular fibers are the third type of protein fiber found in connective tissues. This fiber consists of thin strands of collagen that form a network of fibers to support the tissue and other organs to which it is connected. The various types of connective tissues, the types of cells and fibers they are made of, and sample locations of the tissues is summarized in Table 1.
The type of connective tissue that lack fibre secreting cell is Areolar Tissue
Explanation:
There are five kinds of connective tissues:
- Areolar connective tissue: It is a free and cellular connective tissue. It combines skin to muscles, fills areas inside organs, and is located around muscles, blood veins and nerves.
- Dense regular connective tissue: It is a fibrous connective tissue, identified by an organised and densely ordered group of fibres and cells. Dense regular connective tissue is the principal component of tendons and ligaments.
- Adipose tissue: Adipose tissue is a collection of fat cells. The adipose tissue is rich under the skin, between the interior organs and in the yellow bone marrow.
- Skeletal tissue: The skeletal or controlling tissue involves bone and cartilage which form the exoskeleton of the vertebrate body.
- Fluid connective tissue: Fluid connective tissue connects the various elements of the body and controls connection in the body. It involves blood and lymph.
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