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Locust Digestive Tract Morphology and Visualization of Three-dimensional Reconstruction

Author: LiDeZhi
Tutor: MengRuiXia；ZhangZeHua
School: Inner Mongolia Agricultural University
Course: Agricultural Entomology and Pest Control
Keywords: Oriental migratory locust Digestive tract Organizational structure Three-dimensional reconstruction Image processing Image-Pro Plus (IPP) Surface rendering
CLC: S433.2
Type: Master's thesis
Year: 2011
Downloads: 24
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Abstract


Outbreaks of the Oriental Migratory Locust is one of the important pests , locust digestive tract is not only the main structure for its digestion and absorption of nutrients , and pesticides target structure . Outbreaks of the Oriental Migratory Locust in the digestive tract in-depth research is very important . Frozen embedding medium (OCT) embedding paraffin section and HE staining method we use careful observation and study of the Oriental migratory locust (Locusta migratoria manilansis (Meyen)) digestive tract microstructure ; Secondly, the use of the frozen section technique after the migratory locust adults do serial sections , the cross-sectional image information acquisition , the establishment of the data set ; Photoshop, image -Pro Plus ( IPP ) software -sectional images of the digestive tract is divided , handling , serialization , and three-dimensional reconstruction ; explore the East Asia fly locust three-dimensional reconstruction . The results obtained in this experiment are as follows: 1 . Observation of L. migratoria manilensis digestive tract (including : the microscopic structure of the esophagus, crop, proventriculus , midgut , ileum , colon and rectum ), . Composed of cells of the midgut digestive cells and regenerative cells , suggesting : regenerative cells in addition to adding digestive cells drive the exchange of K and H , thus the formation of the the nutrients absorbed liquid flow loop \and prevent food quickly into the hindgut to improve locusts intestinal digestibility also conducive to the digestive enzymes reuse and save to avoid with food residues excreted . Obtained three sets of locust -sectional image data sets ; and on the basis of the two-dimensional continuous cross-section image data set , to achieve a three-dimensional building of the entire digestive tract , and arbitrary rotation within the space of the three - dimensional model from different angles to observe the digestive tract structure ; digestive tract of three-dimensional morphological parameters have been measured by software .

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CLC: > Agricultural Sciences > Plant Protection > Pest and Disease Control > Plant pest and its control > Orthoptera insects
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