نتایج جستجو برای: morphologic characters
تعداد نتایج: 105040 فیلتر نتایج به سال:
background: hyalomma anatolicum is the well-known hard tick, which is one of the most important livestock and human pathogens vector, wide range in host and distributed in all over the hyalomma geographic fauna as well as in iran. taxonomy of the hyalomma ssp. is debatable whereas their identification is a problematic work. the reasons for this claim is time consuming delpy’s researches in ira...
The first morphologic and genetic documentation of the short-beaked garfish Belone svetovidovi Collette & Parin, 1970 from coast Marmara Sea (Yalova) Black (Akcakoca) is reported in present study. morphological characters (mtDNA COI) analyses confirmed existence this species both Seas. B. genetically distinct anther genus belone. All measurements, counts, colour descriptions agree with ...
Although the specific epithet of Callicarpa minutiflora Y. Y. Qian has been revised for many times, during the study of the genus Callicarpa, we find that Callicarpa minutiflora Y. Y. Qian is identical to Callicarpa longifolia Lamarck by a series of morphologic characters. In order to avoid more confusion, here Callicarpa minutiflora Y. Y. Qian is reduced as a synonym of Callicarpa longifolia L...
The domestic dog varies remarkably in cranial morphology. In fact, the differences in size and proportion between some dog breeds are as great as those between many genera of wild canids. In this study, I compare patterns of intracranial allometry and morphologic diversity between the domestic dog and wild canid species. The results demonstrate that the domestic dog is morphologically distinct ...
A morphological study with the use of scanning electron microscope of 67 species of Iberian Lycaenidae is presented. The study covers all the genera present in the area and shows an extraordinary variation in chorionic characters that allows egg diagnosis for most species. A morphometric study showed that the eggs from the sample have sizes that are correlated with adult size, but some species ...
Based on rRNA phylogeny, morphologic and morphogenetic characters, two major groups of hypotrich ciliates can be distinguished: euhypotrichs and pseudohypotrichs. Through the sequencing of actin genes, we show here that, interestingly, the pseudohypotrichs Dyophrys sp. and Euplotes vannus have a different stop codon usage. In fact, the stop codon usage of the former species resembles that of eu...
Most of the Information Retrieval Systems uses counts of frequencies of the words that occur in documents. Such counts entail the need of normalizing these terms. A simple normalization of characters (upper/lowercase, accents and other diacritical ones) seems insufficient, since many words, by morphologic inflection or derivation, could be grouped under an only form, when having very near seman...
Currently, gene sequence genealogies of the Oligotrichea Bütschli, 1889 comprise only few species. Therefore, a cladistic approach, especially to the Oligotrichida, was made, applying Hennig's method and computer programs. Twenty-three characters were selected and discussed, i.e., the morphology of the oral apparatus (five characters), the somatic ciliature (eight characters), special organelle...
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