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Thursday, February 28, 2013

Lab Three

LAB THREE: Body Tissues and the Integumentary System

Describe the distinctions of epithelial tissue. (5 points)
Epithelial tissue is a sheet of cells which covers a personate find or even lines a luggage compartment enclosed space. cover and lining epithelium human bodys the outer spirit level of the skin, dips into and lines the open cavities of the cardiovascular, digestive and respiratory systems, and also covers the walls and organs of the blottod ventral body cavity. Glandular epithelium fashions the glands of the body. Special characteristics of the epithelial tissue layer are that these types of tissues are composed al roughly entirely of close packed cells. These types of cells also fit close together to form continuous sheets. The adjacent cells will bond together at many different points by lateral contracts which include sloshed junctions and desmosomes. All of the epithelia have apical surfaces which mean the upper loose surface is unresolved to the body exterior or the cavity of an internal organ, and a lower attached basal surface as well. Some of these apical surfaces are smooth hardly others have microvilli which tremendously increase the exposed surface domain of a function and others like the lining of the trachea have motile cilia that trigger substances along their free surface. Epithelial tissue is also support by coincidence tissue.

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All of the sheets that make up the epithelial rest upon and are also supported by connective tissue. Epithelium is innervated but, it is also avascular. These types of cells are nourished by substances fan out from blood vessels in the underlying connective tissue. Another characteristic of epithelial tissue is that it has a high regeneration capacity. Since it is exposed to friction and their surface cells rub off it needs to be able to quickly rejuvenate the cells it has lost.

Describe the characteristics of connective tissue. (5 points)
conjugation tissue is one that is located throughout the whole body. It is most abundant and wifely distributed in the primary...If you want to get a full essay, order it on our website: Orderessay



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