Results 291 to 300 of about 337,234 (319)
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2014
The organs of Cladocera and data related to excretion are reviewed. Rates of nitrogen and phosphorus excretion are indicated. Recent data mainly concern the distribution of xenobiotics within the body, as well as the bioaccumulation and transformation of xenobiotics. Studies concerning the routes of elimination of xenobiotics are also discussed.
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The organs of Cladocera and data related to excretion are reviewed. Rates of nitrogen and phosphorus excretion are indicated. Recent data mainly concern the distribution of xenobiotics within the body, as well as the bioaccumulation and transformation of xenobiotics. Studies concerning the routes of elimination of xenobiotics are also discussed.
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Biological Reviews, 1947
SummaryOligochaete nephridia are now classified into holonephridia and meronephridia; the former are large and occur as a pair per segment, while the latter are small and are numerous in each segment. The meronephridia are derived from holonephridia by a process of branching and multiplication either at an early or a late stage of development.
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SummaryOligochaete nephridia are now classified into holonephridia and meronephridia; the former are large and occur as a pair per segment, while the latter are small and are numerous in each segment. The meronephridia are derived from holonephridia by a process of branching and multiplication either at an early or a late stage of development.
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Pediatrics, 1983
To the Editor.— The data presented by Sutphen1 are interesting, but they do not speak to the conclusions that are drawn in the paper. If urine creatinine excretion is supposed to reflect body muscle (protein) mass, why wasn't creatinine excretion expressed as milligrams per kilogram of actual weight v actual weight?
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To the Editor.— The data presented by Sutphen1 are interesting, but they do not speak to the conclusions that are drawn in the paper. If urine creatinine excretion is supposed to reflect body muscle (protein) mass, why wasn't creatinine excretion expressed as milligrams per kilogram of actual weight v actual weight?
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Biliary Excretion of Xenobiotics
CRC Critical Reviews in Toxicology, 1975The biliary route is very important for the elimination of some foreign compounds from the body. For many of these compounds, an increase in the rate at which they are excreted into the bile will decrease their toxicity and vice versa. A number of factors which are known to alter the biliary excretion of xenobiotics, as well as the current concepts of ...
Curtis D. Klaassen, Gabriel L. Plaa
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1986
Excretion The elimination of the waste products of metabolism from an organism. Secretion The passage of useful intracellular molecules into the extra-cellular environment. (This term should not be confused with excretion, which deals with waste substances.) Egestion The elimination of waste substances (mainly undigested food), which have ...
N. P. O. Green, G. W. Stout
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Excretion The elimination of the waste products of metabolism from an organism. Secretion The passage of useful intracellular molecules into the extra-cellular environment. (This term should not be confused with excretion, which deals with waste substances.) Egestion The elimination of waste substances (mainly undigested food), which have ...
N. P. O. Green, G. W. Stout
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2001
Publisher Summary This chapter discusses the excretion of pesticides in vertebrates, particularly mammals. Renal and liver function, as they relate to excretion, are summarized as well as the less important routes for excretion of pesticides: respiratory and alimentary.
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Publisher Summary This chapter discusses the excretion of pesticides in vertebrates, particularly mammals. Renal and liver function, as they relate to excretion, are summarized as well as the less important routes for excretion of pesticides: respiratory and alimentary.
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2019
The process of urine formation and xenobiotic excretion begins with the passage of blood through the glomerulus to yield a tubular fluid which is essentially an ultrafiltrate of plasma. Excretion of methotrexate, an organic anion, is inhibited by salicylates which compete for tubular transport.
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The process of urine formation and xenobiotic excretion begins with the passage of blood through the glomerulus to yield a tubular fluid which is essentially an ultrafiltrate of plasma. Excretion of methotrexate, an organic anion, is inhibited by salicylates which compete for tubular transport.
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1975
Certain chemical substances are produced in excessive quantities in animal tissues as a consequence of life processes, and must be eliminated from active metabolic sites before they cause problems for the organisms involved. The concentration at which these substances may become obtrusive varies widely depending upon the chemical nature and state of ...
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Certain chemical substances are produced in excessive quantities in animal tissues as a consequence of life processes, and must be eliminated from active metabolic sites before they cause problems for the organisms involved. The concentration at which these substances may become obtrusive varies widely depending upon the chemical nature and state of ...
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Medical Journal of Australia, 1967