Classification of Epithelial Tissue Location of Epithelium The four basic tissue types in the body are the epithelial‚ connective‚ muscular‚ and nervous tissue. These tissues exist and function in close association with one another. The epithelial tissue‚ or epithelium‚ consists of sheets of cells that cover the external surfaces of the body‚ line the internal cavities‚ form various organs and glands‚ and line their ducts. Epithelial cells are in contact with each other‚ either in a single
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BANANA TISSUE CULTURE INTRODUCTION Plant Tissue Culture is culturing of any part of the plant in a specially defined growth media under aseptic laboratory condition in Petri dishes‚ test tubes or in any other suitable glass containers. The plant nutrient media consists of macro and micro salts‚ vitamins and desired levels of plant growth hormones. Depending upon the plant species genetic nature and with help of above supportive media various forms of callus/embryos/shoots/ roots or direct plantlets
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oneself. Questions A. The following statements are true or false. If true‚ write a “T” on the answer line. If false‚ write a word or phrase in the blank to make the statement true. F | 1) The microscope lens may be cleaned with any soft tissue. | F | 2) The coarse adjustment knob maybe used in focusing with all objective lenses. | T | 3) When beginning to focus‚ the lowest power lens should be used. | T | 4) Resolution decreases as the amount wavelength of
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------------------------------------------------- Top of Form Epithelial Tissue and Glands Quest Match the description in column A with the epithelial tissue in the column B. Column A 1. many layers of cells Bottom of Form ------------------------------------------------- Top of Form 2. looks like its layered‚ but it’s not Bottom of Form ------------------------------------------------- Top of Form 3. one layer of cells Bottom of Form -------------------------------------------------
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The collection and use of human tissue samples‚ from the deceased or living‚ is a practice doctors and surgeons perform to be able to undergo research on diseases‚ cancers‚ and the functionality of tissues in the human body. While there are many issues surrounding the use of human cells and tissues in scientific research‚ the main problem pertains to morality and subsequently ownership and consent. Laws today state that patients must give consent to donate tissue samples to doctors for this procedure
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Tissue Engineering: The Future of Surgery and Medicine The only thing worse than needing an organ? transplant is the waiting list. The average wait time for a heart transplant is four months and the wait time for a kidney extends to around five years. This issue is being addressed by scientist with the intention of changing the future. Tissue engineering is on the verge of becoming one of the most vital resources in medicine; it has a growing importance in organ and cartilage replacement and is
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Stratified Squamous Epithelium (left side) Flat epithelial tissues which are flat and have more than one layer. The Skin for a barrier. Your skin‚ for example‚ is a formidable barrier against many things. Skin is created when the basal cells in skin are dividing by the process of mitosis and‚ as division takes place‚ the cells get pushed upwards. As a result‚ the newer cells tend to stay near the bottom of the epithelial tissue‚ and the older cells get pushed upward and eventually are
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Plant Tissues A mature vascular plant (any plant other than mosses and liverworts)‚ contains several types of differentiated cells. These are grouped together in tissues. Some tissues contain only one type of cell. Some consist of several. Meristematic The main function of meristematic tissue is mitosis. The cells are small‚ thin-walled‚ with no central vacuole and no specialized features. Meristematic tissue is located in • the apical meristems at the growing points of roots and stems. • the
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developed high yielding varieties‚ which are available in small quantities. * Tissue culture is valuable for the propagation of several plant species. * Hussey described a procedure for the induction of plantlets directly on stem tissue without callus from several species of bulb and corm-bearing plants on media which is having low concentration of auxins or no auxins. * Nadgaudaetal have described tissue culture method for obtaining plantlets from 2 high-yielding turmeric varieties. The
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Muscle fatigue is weakness or weariness resulting from exertion or prolonged stress and the failure to maintain an expected power output. (Amussen) The process by which your body produces energy is called glycolysis. During glycolysis‚ glycogen is broken to produce creatine phosphate‚ which releases energy. The energy released catalyzes a reaction to produce ATP. The ending product of glycolysis is lactic acid‚ which is created by breaking pyruvate acid down. Then lactic acid is broken down to produce
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