Results 181 to 190 of about 1,807 (210)
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Extreme bilateral molar rotation in monodelphis domestica (marsupialia: didelphidae)
Archives of Oral Biology, 1997Rotation of a tooth around an axis perpendicular to the occlusal plane through angles approaching 180 degrees is a rare anomaly found in the mammalian dentition. A specimen of Monodelphis domestica was found to show such extreme rotation of both lower last molars, with consequent disruption of normal occlusion and wear.
A F, Van Nievelt, K K, Smith
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The family Didelphidae as a host of zoonotic pathogens
Therya NotesThe family Didelphidae has often been associated with transmission cycles of zoonotic diseases, such as Leishmaniasis and Chagas disease. In this work, we review the scientific literature published from 1994 to 2024 on studies of the family Didelphidae and its pathogens.
Víctor Sánchez-Cordero +3 more
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Tooth onoteny in Didelphis virginiana (Marsupialia : Didelphidae)
Australian Journal of Zoology, 1978The ontogenetic development of the teeth was studied in a series of seven specimens of Didelphis virginiana whose crown-rump length varied from 11 to 49 mm. Though all developing teeth showed undifferentiated lingual downgrowths of dental lamina, there was no evidence of any non-functional teeth. No more than five upper incisors were present at any one
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Helminths of the Virginia Opossum Didelphis virginiana (Mammalia: Didelphidae) in Mexico
Journal of Parasitology, 2005The goal of this study was to provide further information about helminth parasites of Virginia opossum Didelphis virginiana Kerr, 1792 from Mexico. During routine faunal investigations between 1958 and 2001, 101 opossum were necropsied. Nineteen taxa of helminths were collected, representing 13 genera from hosts in 27 localities from Mexico.
Anne, Monet-Mendoza +2 more
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Development of epiphyseal structure and function inDidelphis virginiana (Marsupiala, Didelphidae)
Journal of Morphology, 1999This study addressed the question of how the epiphyses of growing mammals change their external shape and internal architecture during postnatal development. Ontogenetic transformations in the external form and internal structure of the fore- and hindlimb epiphyses were examined in a mixed cross-sectional sample of Didelphis virginiana using two ...
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A new species of Philander Brisson, 1762 (Didelphimorphia, Didelphidae)
Mammalian Biology, 2008A new species of Philander, known from two localities in Bolivia and one in Peru, is described. The new species is externally similar to sympatric populations of P. opossum, but both have several differences, such as ventral pelage color, nasal morphology, condition of the zygomatic arches, and rostral tympanic process of the petrosal.
David A. Flores +2 more
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Development of craniofacial musculature inMonodelphis domestica(marsupialia, didelphidae)
Journal of Morphology, 1994AbstractDevelopment of craniofacial muscles ofMonodelphis domestica(Marsupialia, Didelphidae) is described. In a period of 4–6 days all craniofacial muscles inM. domesticaprogress from myoblast condensation, to striated myofibers that are aligned in the direction of adult muscles and possess multiple, lateral nuclei.
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American Opossums Order Didelphimorphia, Family Didelphidae
2009Abstract All marsupials were formerly considered to belong to the order Marsupialia; however, this large group has recently been split into 7 orders. New World opossums are repre- sented by 3 orders and Australian marsupials by 4 orders. The Didelphimorphia contains a single family, which includes all Central American opossums.
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Diversité systématique des Didelphidae (Marsupialia) européens tertiaires
Geobios, 1979Resume De l'Eocene inferieur au Miocene moyen, 26especes de Didelphidae sont reconnues en Europe. Les diagnoses de 15 especes nouvelles sont proposees (Peradectes louisi, russelli et mutigniensis; Amphiperatherium brabantense, bourdellense, gothei, maximum, bastbergense et fontense; Peratherium matronense, sudrei, bretouense, lavergnense ...
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