نتایج جستجو برای: chipmunk cheeks
تعداد نتایج: 1041 فیلتر نتایج به سال:
A 2-year-old female Siberian chipmunk (Tamias sibiricus) was presented to the veterinary clinic for swelling, pain and lameness of the left rear leg. Radiologically, an invasive tumour around the distal femur was suspected, and the leg was surgically amputated and submitted for histopathological diagnosis. Microscopically, the mass was densely packed with multinucleated strap cells that had rou...
We investigated the genotypes of Cryptosporidium infecting red squirrels (Sciurus vulgaris L.) in two areas of the Western Alps in Italy. Examination of 141 faecal samples from 70 red squirrels revealed oocysts of Cryptosporidium in 17 animals (24.3%). Based on 18S rRNA gene sequencing, two genotypes of Cryptosporidium species were found: 15 squirrels were positive for the Cryptosporidium ferre...
Twenty-five chipmunk species occur in the world, of which only the Siberian chipmunk, Tamias sibiricus, inhabits Asia. To investigate mitochondrial cytochrome b sequence variations and population structure of the Siberian chipmunk in northeastern Asia, we examined mitochondrial cytochrome b sequences (1140 bp) from 3 countries. Analyses of 41 individuals from South Korea and 33 individuals from...
Vertebrate cone and rod photoreceptor cells use similar mechanisms to transduce light signals into electrical signals, but their responses to light differ in sensitivity and kinetics. To assess the role of G-protein GTP hydrolysis kinetics in mammalian cone photoresponses, we have characterized photoresponses and GTPase regulatory components of cones and rods from the cone-dominant retina of th...
Inadequate force of the cheeks may compromise the tooth positioning and functions such as chewing, swallowing and contribute to aesthetic deformities on the face in humans. In clinical speech-language pathology practice, cheeks force is usually evaluated qualitatively. Perception and practical experience are used to grade them. This paper aims to present a new method for the quantitative evalua...
Merkel cell carcinoma (MCC), an aggressive skin cancer with neuroendocrine features, has been found to be associated with a new type of human polyomavirus called Merkel cell polyomavirus (MCV). Patients diagnosed with MCC have a significantly increased risk of a second primary cancer. We report here the first case of two primary MCCs arising on the face at different times, associated with MCV in...
The ecological literature presents considerable evidence for top-down forcing on the maintenance of species diversity. Yet, in temperate forests, bottom-up forces often exert a strong influence on ecosystem functioning. Here, we report on the indirect influence of a pulsed resource, sugar maple (Acer saccharum) seed production, on nest survival in a migratory songbird. We hypothesized that seed...
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