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  • 1
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The otolith microstructures of the leptocephali of Saurenchelys stylura and Dysomma sp., collected in November and December 2000 in the East China Sea, were examined to determine their larval ages and growth rates, and the spawning times of these two species of outer shelf and slope marine eels. Leptocephali ranging in size from 8 to 48 mm total length were examined, and the nettastomatid, S. stylura, and the synaphobranchid, Dysomma sp., had estimated ages that ranged from 16 to 75 days and 17 to 66 days, respectively. The overall growth rate of S. stylura was 0·68 mm day−1(n = 21), and of Dysomma sp. was 0·44 mm day−1(n = 22). These growth rates were similar or slightly faster than those observed for anguillid leptocephali in offshore areas of the western Pacific. The backcalculated hatching dates for these two species were from September to November. The otolith increment widths of S. stylura showed an increase before 20 to 30 days that were similar to those in anguillid species, but in Dysomma sp. there were no remarkable increases.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK; Malden, USA : Blackwell Publishing Ltd/Inc.
    Journal of fish biology 67 (2005), S. 0 
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The burrow morphology of the Japanese eel Anguilla japonica was studied using in situ resin-casting in a mud bottomed tidal drainage channel adjacent to the Fukui River in Tokushima, Japan. Two eels (62·5 and 56·3 cm total length) were initially fished from the burrows to verify that they were being used by A. japonica. Casts were made of 10 burrows that were found to have from one to three openings and main tunnels that were parallel to the axis of water flow in the channel. The maximum depths of the tunnels in the mud were 17·8–30·0 cm. The diameters of main tunnels ranged from 1·2 to 7·9 cm, were almost always wider than the bodies of the Japanese eels examined, and were more variable in the horizontal axis than in the vertical axis. There were no other animals capable of constructing a long and thin burrow in this channel, so these observations indicate that anguillids are able to construct their own burrows in soft mud sediments that may be used for extended periods of time.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1524-475X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background:  The human forearm biopsy model is employed by the Wound Healing Cooperative Group to evaluate the effect of novel agents on acute wounds. Bismuth Subgallate/Borneal (Suile) is a new product with FDA permission for the treatment of partial thickness wounds. However, there is a growing body of evidence suggesting that Suile may be effective in the treatment of full thickness wounds because of its antimicrobial, hemostatic and antiinflammatory properties.Methods:  In our randomized, investigator-blinded study, 20 normal healthy volunteers underwent two 6 mm full-thickness skin biopsies on the flexor surface of each forearm (two wounds per subject). Biopsy sites were randomly assigned to control (daily bacitracin) or to the treatment arm (daily Suile). The wounds were examined, measured by digital planimetry, and photographed daily until complete healing was achieved. Adverse events and pain levels were monitored. Healing velocity and time-to-complete closure were determined.Results:  The forearm biopsy model allowed direct quantitative and qualitative comparisons of wound healing outcomes achieved by the Suile regimen versus bacitracin alone. Subject compliance was excellent. The conduct of the study was further facilitated by the use of handheld electronic documentation.Conclusion:  The forearm biopsy model has several advantages: It allows for a direct comparison of topical agents in a controlled fashion, studies can be conducted rapidly with good patient compliance and it allows investigators to gain firsthand experience with products prior to embarking on large clinical trials in chronic wounds.Acknowledgments:  Grant from Hedonist Biochemical Technologies Co.
    Type of Medium: Electronic Resource
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