نتایج جستجو برای: carex orbicularis
تعداد نتایج: 1871 فیلتر نتایج به سال:
[Purpose] This study compared the orbicularis oculi muscle activity during computer work with single and dual monitors. [Subjects] Ten computer workers 22-27 years of age were included in this study. [Methods] Subjects performed computer work with single or dual monitors, and the activity of the right orbicularis oculi muscle was measured with a MP150 system. [Results] The muscle activity of th...
The cosmopolitan genus Carex L. represented about 1,800-2,000 species mainly in temperate and cold regions of the world. 49 species of Carex found in North-eastern India and 33 species in the rest part of India. Systematics of different taxa (subgenera, sections species pairs etc.) of the genus is quite complicated. In Carex, utricle morphology and fruit epidermal silicabodies have been used to...
Carex aquatilis is a highly diverse and geographically widespread member of one of the largest genera of flowering plants, Carex, and is ideally suited for the study of the role of hybridization and niche partitioning in ecological speciation. Phylogenetic analyses of nuclear ITS and ETS 1f and chloroplast psbA-trnH DNA sequences support the monophyly of a broadly defined Carex aquatilis-Carex ...
We measured CH4 fluxes from three major plant communities characteristic of alpine tundra in the Colorado Front Range. Plant communities in this ecosystem are determined by soil moisture regimes induced by winter snowpack distribution. Spatial patterns of CH4 flux during the snow-free season corresponded roughly with these plant communities. In Carex-dominated meadows, which receive the most mo...
BACKGROUND There exists some ambiguity regarding the exact anatomical limits of the orbicularis retaining ligament, particularly its medial boundary in both the superior and inferior orbits. Precise understanding of this anatomy is necessary during periorbital rejuvenation. METHODS Sixteen fresh hemifacial cadaver dissections were performed in the anatomy laboratory to evaluate the anatomy of...
طی جمعآوری نمونههای گیاهی تیره Cyperaceae از شمال غرب کشور، Carex tristis شناسایی گردید و بهعنوان گزارش جدید برای فلور ایران معرفی میگردد و نیز توضیحاتی در رابطه با گونههای Kobresia humilis و Carex medwedewii ارائه میگردد. همچنین ترکیب جدید Carex popovii subsp. brunneola (Kukkonen) Amini Rad معرفی میگردد. خصوصیات مورفولوژیکی، رویشگاهها و پراکنش گونهها نیز ارائه میشود.
Description of the surgical anatomy of the superficial fascia of the face must include its deep attachments. These attachments have been mapped out for the forehead, temple, and cheek as retaining ligaments. The deep attachments of the orbicularis oculi of the lower lid and lateral canthus have long been recognized in canthopexy surgery but have yet to be properly defined. Six fresh cadavers we...
The Coppermine River in western Nunavut is one of Canada's great Arctic rivers, yet its vascular plant flora is poorly known. Here, we report the results of a floristic inventory of the lower Coppermine River valley and vicinity, including Kugluk (Bloody Falls) Territorial Park and the hamlet of Kugluktuk. The study area is approximately 1,200 km2, extending from the forest-tundra south of the ...
We investigate the species discriminatory power of a subset of the proposed plant barcoding loci (matK, rbcL, rpoC1, rpoB, trnH-psbA) in Carex, a cosmopolitan genus that represents one of the three largest plant genera on earth (c. 2000 species). To assess the ability of barcoding loci to resolve Carex species, we focused our sampling on three of the taxonomically best-known groups in the genus...
OBJECTIVE To investigate the anatomophysiologic aging-related changes in the orbicularis oculi muscle. METHODS We examined the full-thickness histologic characteristics of the upper eyelids from cadavers of 30-, 40-, 60-, and 70-year-old men and the muscle interference pattern (IP) of 68 healthy volunteers of both sexes aged 18 to 73 years. RESULTS Histologic analysis revealed that in the a...
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