File:Direct-visualization-of-hemolymph-flow-in-the-heart-of-a-grasshopper-(Schistocerca-americana)-1472-6793-9-2-S6.ogv

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Direct-visualization-of-hemolymph-flow-in-the-heart-of-a-grasshopper-(Schistocerca-americana)-1472-6793-9-2-S6.ogv (Ogg Theora video file, length 25 s, 640 × 480 pixels, 4.68 Mbps, file size: 14.21 MB)

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English: Possible entrance of a bubble through an incurrent ostium in the heart of the grasshopper Schistocerca americana I. Movie depicts the grasshopper's 5th abdominal segment in lateral view, with dorsal oriented upward and anterior to the right. Field of view is 1.3 × 0.9 mm. The dorsal edge of the abdomen can be seen near the top. The diagonal lines in the upper left corner are margins of the x-ray transparent Kapton tube. In this sequence, the bubble of interest appears to begin its trajectory outside the heart in the pericardial sinus; it moves dorsally and then anteriorly to the ostium opening; it then enters the heart and is swept anteriorly along with the flow. Although we interpret this trajectory as a heart entrance event, other possibilities remain.
Date
Source Lee W, Socha J (2009). "Direct visualization of hemolymph flow in the heart of a grasshopper (Schistocerca americana)". BMC Physiology. DOI:10.1186/1472-6793-9-2. PMID 19272159. PMC: 2672055.
Author Lee W, Socha J
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This file was transferred to Wikimedia Commons from PubMed Central by way of the Open Access Media Importer.
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Date/TimeThumbnailDimensionsUserComment
current08:52, 5 June 201325 s, 640 × 480 (14.21 MB)Open Access Media Importer Bot (talk | contribs)Automatically uploaded media file from Open Access source. Please report problems or suggestions here.

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Format Bitrate Download Status Encode time
VP9 480P 1.15 Mbps Completed 11:51, 24 August 2018 55 s
VP9 360P 578 kbps Completed 11:51, 24 August 2018 47 s
VP9 240P 290 kbps Completed 11:51, 24 August 2018 1 min 27 s
WebM 360P 444 kbps Completed 08:53, 5 June 2013 54 s
QuickTime 144p (MJPEG) 1.08 Mbps Completed 14:05, 22 October 2024 2.0 s

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