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Comparative Anatomical and Histological Study of the Alimentary Canal of Dendroctonus parallelocollis, D. rhizophagus, and D. valens (Coleoptera: Scolytidae)
A comparative study of the anatomy and histology of the alimentary canal of Dendroctonus parallelocollis Chapuis, D. rhizophagus Thomas &; Bright, and D. valens LeConte shows similar characteristicsExpand
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Effect of Yerbimat Herbicide on Lipid Peroxidation, Catalase Activity, and Histological Damage in Gills and Liver of the Freshwater Fish Goodea Atripinnis
The use of herbicides for agricultural and aquatic weed control has increased worldwide. These substances are potentially toxic pollutants because they induce the production of reactive oxygenExpand
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Populations of the Butterfly Goodeid (Ameca splendens) in the Upper Rio Ameca Basin, Mexico
ABSTRACT The endangered endemic fish Ameca splendens was surveyed monthly from June 2001 to May 2002 at two sites in the upper Rio Ameca basin. Both populations demonstrated two annual reproductionExpand
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The role of vitellogenin during gestation of Girardinichthys viviparus and Ameca splendens; two goodeid fish with matrotrophic viviparity.
Goodeid fish have matrotrophic viviparity, and unlike lecitotrophic fish, yolk loss forces the female to provide the nutritional requirements for embryonic development. Vitellogenin (VTG) is the yolkExpand
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Evaluation of kidney injury biomarkers in rat amniotic fluid after gestational exposure to cadmium
Cadmium is a well‐characterized nephrotoxic agent that is also capable of accumulating and diffusing across the placenta; however, only a few studies have addressed its effects over fetal kidneys andExpand
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Ultrastructural and Histological Study of Oogenesis and Oocyte Degeneration in the Penshell Atrina maura (Bivalvia: Pinnidae)
Abstract The successive stages of oogenesis and the changes involved in the oocyte degeneration process in the penshell Atrina maura were examined using light and transmission electron microscopy.Expand
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A circuit (10) for connecting a power distribution bus (14) to a battery (12) has a connector circuit (20) and a switch (40). The battery has a positive battery terminal (16) and a negative batteryExpand
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Morphological and histological development of the reproductive system of Pomacea patula catemacensis (Baker 1922) (Mollusca, Caenogastropoda: Ampullariidae)
El "tegogolo" Pomacea patula catemacensis es un gasteropodo dulceacuicola comestible, endemico del Lago de Catemaco en Veracruz, Mexico. En los ultimos anos las poblaciones naturales se han vistoExpand
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Histopathological Alterations in the Gonad of Megapitaria squalida (Mollusca: Bivalvia) Inhabiting a Heavy Metals Polluted Environment.
The gonadal health status of the chocolate clam Megapitaria squalida collected from the Santa Rosalía mining port and San Lucas beach (reference site), Gulf of California, Mexico, was assessedExpand
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Estudio Histológico de Boca, Esófago, Estómago e Intestino de Polystira albida (Gastropoda: Turridae)
En la presente investigacion se realizo la caracterizacion histologica del tubo digestivo de Polystira albida (Toxoglossa:Turridae) mediante microscopia optica, utilizando ejemplares colectados en laExpand
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