Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"Excretory system"”.
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A pharmacological study of signal transduction mechanisms controlling fluid reabsorption and Ion transport in the locust rectum
… by controlling epithelial transport in the excretory system. The locust excretory system is typical of many insects and consists of the Malpighian tubules and the hindgut. The Malpighian tubules secrete a primary isosmotic urine rich in KC1 and low in Na+ that contains most small hemolymph …
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An Investigation into Neuroendocrine Regulators of Excretory Organs in the Adult Disease-Vector Mosquito, Aedes aegypti
… through the neuroendocrine control of their excretory system, consisting of the Malpighian ‘renal’ tubules (MTs), which are responsible for formation of the primary urine, along with the hindgut, which functions as a primarily reabsorptive organ. While extensive studies have examined this …
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Coherent Scatter Computed Tomography for Core Composition Analysis of Intact Kidney Stones - Prospective Clinical Study
… calculi (urinary stones) at any level along the excretory system. Establishing accurate and complete mineral composition of the stones is one of the main factors in deciding the best steps for therapy and recurrence prevention. Currently, infrared spectroscopy (IRS) and x-ray diffractometry (XRD) …
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The Roles of daf-6 and Cell-Cell Interactions in Sensory Organ Morphogenesis
… in several tubular structures, such as the excretory system and vulva. Thus, a similar genetic pathway is required for the formation of different lumens. Secondly, I conducted a forward genetic screen and identified and characterized mutations that suppress the lumen formation defects in …
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The development of the rumen fluke, Calicophoron daubneyi, within the mammalian host
… level, with a focus on the tegument, digestive system, excretory system and reproductive structures. The fine structure of the tegument suggests its major role is protection since it lacks mitochondria and thus may not participate in active uptake of molecules from the host environment. The …
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The Internal Anatomy and Histology of Adult <em>Antricola mexicanus</em> Hoffman (Acari: Argasidae)
… respiratory, nervous, reproductive, alimentary, excretory, and circulatory systems of adult male and female <em>Antricola</em> <em>mexicanus </em>Hoffmann are described. The respiratory system has a functional ostium which appears to be controlled by hemolymph pressure. No pores were seen in the …