Circular velocity sperm
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Changes in the motility patterns of spermatozoa from the . . .
What is SpermCellโข ? - SpermCellโข
Sperm Motility - Colorado State University
Identification of circular RNAs in porcine sperm and . . .
High-throughput lensfree 3D tracking of human sperms . . .
Semen analysis and bull fertility - Online Biology Notes
Hydrodynamics of Sperm Cells near Surfaces - ScienceDirect
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Frontiers | Expression Patterns of Circular RNAs in High . . .
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Once forward progression was established, the curvilinear velocity was about the same for sperm from all regions of the tract, whereas straight-line velocity increased between the mid-corpus and cauda and paralleled the decline in lateral displacement of the head .
spermcell .net/what-is-spermcell/
Curvilinear Velocity (VCL): (ยตm/s) . The speed of the sperm heads movement in the 2-dimensional real curvilinear pathway . It is a sign of cell viability . Straight Line Velocity (VSL): (ยตm/s) . The mean speed of the sperm head from the first point to the last point; Average Pathway Velocity (VAP): (ยตm/s) . The mean speed of the sperm head on the road .
www .vivo .colostate .edu/hbooks/pathphys/reprod/semeneval/motility .html
Track motility estimates: A wet mount of diluted semen is prepared as described for a manual estimate, and sperm are photographed using an exposure time long enough for motile sperm to leave tracks across the image (roughly 0 .2 seconds) . Using this technique, non-motile sperm appear . . well . . non-motile, and sperm with non-progressive motility leave tracks that are circular or otherwise abnormal .
Circular RNAs (circRNAs) are emerging as a novel class of noncoding RNAs which potential role as gene regulators is quickly gaining interest . circRNAs have been studied in different tissues and . . .
The "typical" trajectory shown in Fig . 2 A (Movie S1) is the most prevalent swimming pattern observed among human sperms (> 90%), in which the sperm head moves forward swiftly (as fast as 140 ฮผm/s) along a slightly curved axis with a small lateral displacement (approximately 4 ฮผm side-to-side) .
The extender might alter motility slightly, generally by enhancing velocity measures . A high percentage of sperm may show circular motility pattern, which generally resolves after 5-10 minutes in the extender . If the sperm are swimming in a tight circular motion, it indicates that they could have been in presence of cold shock .
In these simulations, a generic sperm model of a circular head and a symmetrically beating tail was employed . A more detailed analysis was performed recently for a model of human sperm in a three-dimensional fluid . Much care has been taken to construct a realistic model of the head; both planar and helicoid beating patterns were considered .
of 8 and 16 . Riverine males had low velocity in all salinities . Sperm viability also de-creased by over 30% in 0 salinity, compared to 8 and 16, for fish from both environ-ments . Gobies produce ejaculate contents in specialized glands that could in theory shield sperm in an adverse environment . However, gland contents did not improve
Computer-assisted sperm analysis . Sperm motility and velocity were assessed in fresh and FT samples using a Computer-Assisted Sperm Analysis (CASA) system (ISAS Proiser, Valencia, Spain) according to the standard protocols used at our center . Semen samples were loaded into a Lejaยฎ chamber with a depth of 20 ฮผM (Leja, Amsterdam, The Netherlands) and were placed on a stage warmed at 37 ยฐC .
Circular RNAs (circRNAs) are expressed in human testis and seminal plasma . Until today, there is missing information about a possible payload of circRNAs in human spermatozoa (SPZ) . With this in mind, we carried out a circRNA microarray identifying a total of 10 .726 transcripts, 28% novel based and 84 .6% with exonic structure; their potential contribution in molecular pathways was evaluated by KEGG analysis .
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Circular velocity sperm
