File:Direct-visualization-of-hemolymph-flow-in-the-heart-of-a-grasshopper-(Schistocerca-americana)-1472-6793-9-2-S3.ogv

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Direct-visualization-of-hemolymph-flow-in-the-heart-of-a-grasshopper-(Schistocerca-americana)-1472-6793-9-2-S3.ogv ‎(Ogg Theora video file, length 25 s, 640 × 480 pixels, 4.98 Mbps, file size: 14.61 MB)

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English: Typical view of hemolymph flow in the heart of the grasshopper Schistocerca americana II. Movie depicts the grasshopper's abdomen in lateral view, with dorsal oriented upward and anterior to the right. Field of view is 1.3 × 0.9 mm, mostly of the 5th abdominal segment, although the start of the 4th can also be seen on the right side of the image. The dorsal edge of the abdomen can be seen near the top, and the abdominal segment boundary appears on the right. The diagonal lines running from lower left to upper right are margins of the x-ray transparent Kapton tube, whose outer boundary can be seen at the top. This video shows net transport of hemolymph in the heart toward the right (anterograde flow), but intermittent backflow to the left can be seen as well. Note that unlike in Additional file 2, the main tracheal trunks are not compressed along with the pulsatile movements.
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
current08:50, 5 June 201325 s, 640 × 480 (14.61 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 1.2 Mbps Completed 11:50, 24 August 2018 1 min 4 s
Streaming 480p (VP9) 1.2 Mbps Completed 15:11, 5 February 2024 1.0 s
VP9 360P 602 kbps Completed 11:50, 24 August 2018 49 s
Streaming 360p (VP9) 603 kbps Completed 20:54, 6 February 2024 2.0 s
VP9 240P 302 kbps Completed 11:50, 24 August 2018 48 s
Streaming 240p (VP9) 302 kbps Completed 22:44, 16 December 2023 1.0 s
WebM 360P 483 kbps Completed 08:52, 5 June 2013 1 min 3 s
Streaming 144p (MJPEG) 1.07 Mbps Completed 09:58, 3 November 2023 1.0 s

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