Regulation of water balance

Part 1 book "Nutrition for veterinary technicians and nurses" includes content: Nutrients and energy, water, carbohydrates, fats, protein and amino acids, vitamins, minerals, digestion and absorption, energy balance, nutritional requirements of dogs and cats, history and regulation of pet foods, pet food labels, nutrient content of pet foods, types of pet foods, raw food diets - fact versus fiction, pet food preservatives, homemade diets,... and other contents.

142p muasambanhan02 18-12-2023 5 0   Download

Part 1 book "Canine and feline nutrition" includes content: Energy and water, carbohydrates, fats, protein and amino acids, vitamins, minerals, digestion and absorption, nutritional idiosyncrasies of the cat, energy balance, carbohydrate metabolism, fat requirements, protein requirements, vitamin and mineral requirements, history and regulation of pet foods, pet food labels, nutrient content of pet foods, types of pet foods, evaluation of pet foods, feeding regimens for dogs and cats, pregnancy and lactation, nutritional care of neonatal puppies and kittens, growth, adult maintenance.

284p muasambanhan01 11-12-2023 7 3   Download

Part 3 book "Berne and levy physiology" includes content: elements of renal function; solute and water transport along the nephron - tubular function; control of body fluid osmolality and volume; potassium, calcium, and phosphate homeostasis; role of the kidneys in the regulation of acid base balance; introduction to the endocrine system; hormonal regulation of energy metabolism; hormonal regulation of calcium and phosphate metabolism; the hypothalamus and pituitary gland,... and other contents.

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Regarding yield of the crops and growth regulation fertility of soil is most important but today’s scenario of agriculture farming in India is not care about it. Without any analysis farmer used unwanted and abundant quantity of fertilizer and water, both results reduce fertility of soil. For sustainable agriculture development and production, analysis, chemical composition, micronutrient, macronutrients and micro fauna from soil is must. Soil is an important natural resource and plays a crucial role in maintaining environmental balance.

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Salinity is one of the most aggressive environmental stresses that hamper crop productivity worldwide. Increased salt concentration in soil reduces plants ability to take up water. It also reduces nutrients availability, uptake and transport, and there distribution resulting nutritional imbalance in plant. The Salt Overly Sensitive (SOS) signalling pathway is crucial to mediate cellular signalling and to maintain ion homeostasis under salinity stress. Many HKT family plasma membrane transporters play an essential role in salt tolerance mechanism by regulating Na+ and K+ transportation.

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Both biotic and abiotic stresses are major constrains to agricultural production. Under stress conditions, plant growth is affected by a number of factors such as hormonal and nutritional imbalance, ion toxicity, physiological disorders, susceptibility to diseases, etc. Plant growth under stress conditions may be enhanced by the application of microbial inoculation including plant growth promoting rhizobacteria (PGPR).

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(BQ) Part 1 of the document Clinical physiology of acid - base and electrolyte disorders presents the following contents: Renal physiology, regulation of water and electroltye balance. Invite you to consult.

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(BQ) Part 1 of the document Renal physiology presents the following contents: Physiology of body fluids, structure and function of the kidneys, glomerular filtration and renal blood flow, renal transport mechanisms - nacl and water reabsorption along the nephron, regulation of body fluid osmolality - regulation of water balance, regulation of extracellular fluid volume and nacl balance.

132p thangnamvoiva2 23-06-2016 55 3   Download

THE EXTENT AND TIMING OF PLANT GROWTH are controlled by the coordinated actions of positive and negative regulators. Some of the most obvious examples of regulated nongrowth are seed and bud dormancy, adaptive features that delay growth until environmental conditions are favorable. For many years, plant physiologists suspected that the phenomena of seed and bud dormancy were caused by inhibitory compounds, and they attempted to extract and isolate such compounds from a variety of plant tissues, especially dormant buds.

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THE CYTOKININS WERE DISCOVERED in the search for factors that stimulate plant cells to divide (i.e., undergo cytokinesis). Since their discovery, cytokinins have been shown to have effects on many other physiological and developmental processes, including leaf senescence, nutrient mobilization, apical dominance, the formation and activity of shoot apical meristems, floral development, the breaking of bud dormancy, and seed germination.

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FOR NEARLY 30 YEARS after the discovery of auxin in 1927, and more than 20 years after its structural elucidation as indole-3-acetic acid, Western plant scientists tried to ascribe the regulation of all developmental phenomena in plants to auxin. However, as we will see in this and subsequent chapters, plant growth and development are regulated by several different types of hormones acting individually and in concert. In the 1950s the second group of hormones, the gibberellins (GAs), was characterized.

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THE FORM AND FUNCTION of multicellular organism would not be possible without efficient communication among cells, tissues, and organs. In higher plants, regulation and coordination of metabolism, growth, and morphogenesis often depend on chemical signals from one part of the plant to another. This idea originated in the nineteenth century with the German botanist Julius von Sachs (1832–1897). Sachs proposed that chemical messengers are responsible for the formation and growth of different plant organs.

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PLANT CELLS, UNLIKE ANIMAL CELLS, are surrounded by a relatively thin but mechanically strong cell wall. This wall consists of a complex mixture of polysaccharides and other polymers that are secreted by the cell and are assembled into an organized network linked together by both covalent and noncovalent bonds. Plant cell walls also contain structural proteins, enzymes, phenolic polymers, and other materials that modify the wall’s physical and chemical characteristics.

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PLANT CELLS ARE SEPARATED from their environment by a plasma membrane that is only two lipid molecules thick. This thin layer separates a relatively constant internal environment from highly variable external surroundings. In addition to forming a hydrophobic barrier to diffusion, the membrane must facilitate and continuously regulate the inward and outward traffic of selected molecules and ions as the cell takes up nutrients, exports wastes, and regulates its turgor pressure.

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The narrative behind Simplified Ecosystem Capital Accounts (SECA): Ecosystems can be described as capital which delivers a bundle of services to people, some of which are appropriated and incorporated into products, accumulated and/or consumed. Other services are public goods of common benefit to the economy and human wellbeing. Altogether, these ecosystem services depend on ecosystem capital regeneration which is in turn influenced by ecosystem services consumption.

191p bin_pham 06-02-2013 82 8   Download

Disagreements involving environmental priorities and strategic approaches, and balancing the relative roles of compliance assistance with enforcement, contribute to the complexity and friction that come with enforcing national pollution control laws. Other contributing factors include the increasing number of statutory and related regulatory pollution control requirements (some with conflicting mandates) and the adequacy of the resources available for their implementation.

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The kidneys are located at both sides of the lumbus, which is therefore described as "the home of the kidney, its main functions are: to store congenital and acquired essence and control human reproduction , dominate water metabolism in other words kidney regulates the distribution of water and helps maintain fluid balance in the body and the reception of Qi which means that the kidney assists the lung in its function of receiving and descending the Qi.

132p ti_du_hoang 15-08-2012 55 8   Download

The Mekong River Delta in Vietnam can be considered as a large tropical wetland, in which two typical eco-forest wetlands can be distinguished: the inland Melaleuca forest wetlands and the coastal mangrove forest wetlands. Their main functions are the provision of forest commodities, the regulation of the water balance and biodiversity conservation. However as elsewhere under human pressure their existence is under the threat of forest fires and deforestation. Their protection requires the implementation of a multi-level national or sub-national planning policy.

0p haivan 16-03-2009 200 23   Download