Developing frog egg, light micrograph
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Developing frog egg, light micrograph
Developing frog egg. Light micrograph of a vertical section through a developing egg laid by a common frog (Rana temporaria temporaria). The egg has reached the blastula stage. The cell cleavages of the egg are not equal so the animal pole (top) has more and smaller cells, whilst the yolk at the vegetative end (bottom) slows down cleavage and results in fewer and larger cells. The vitelline membrane surrounds the egg. Inside the blastula there is a hollow filled with fluid, the blastocoele. Magnification: x100 when printed at 10 centimetres across
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6334001
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Cellular Circle Circular Common Frog Developing Development Embryo Embryonic Frog Herpetology Longitudinal Re Production Round Stage Stages Stain Stained Tissue Vegetative Blastocoel Blastula Cells Light Micrograph Light Microscope Section Sectioned
EDITORS COMMENTS
This print showcases the intricate development of a frog egg, offering a glimpse into the wonders of nature. Taken under a light microscope, this vertical section reveals the fascinating stages of embryonic growth in a common frog (Rana temporaria temporaria). At the blastula stage, we witness the remarkable asymmetry in cell cleavages within the egg. The animal pole at the top exhibits numerous smaller cells, while the vegetative end at the bottom displays fewer but larger cells due to yolk accumulation. Encased within its protective vitelline membrane, this developing egg unveils an inner hollow filled with fluid called the blastocoele. With each magnified detail captured at x100 resolution when printed at 10 centimeters across, we are transported into a microscopic world teeming with life and potential. The circular shape and stained appearance highlight both its biological significance and aesthetic appeal. This image serves as a testament to scientific exploration in fields such as zoology and reproductive biology. It invites us to marvel at how life unfolds from these tiny cellular structures, reminding us of our interconnectedness with all living beings. As we contemplate this mesmerizing image by Science Photo Library, let us appreciate not only its artistic beauty but also its profound implications for understanding natural processes and fostering respect for our diverse ecosystem.
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