تایم لپس مراحل تقسیم سلولی با میکروسکوپ

Time lapse movie of the prophase stage during meiosis I in spermatocytes of the locust Psophus stridulus. This is a historic movie made in the early 40s by Kurt Michel of the ZEISS company in Jena using Zernike's newly invented phase contrast microscope. Several sequences are shown, some proceeding to metaphase. Despite its early date, the movie and the others in the group remain some of the clearest examples of chromosome behavior during meiosis. Based on 2hr real time duration. Originally published b

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