@dr.bioforever: What you saw in the first part of the video was the epidermal cells of the pumpkin skin. And yes, embedded in the epidermal tissue, you can see stomata (stomata can be present in other parts of the plant, not just in the leaves!). . Stomata are the pores that plants use to take up CO2 and to release O2. In other words, stomata are the pores that plants use to “breathe”. . In the second part of the video what you saw was the pumpkin flesh cells. Inside some of these cells you can see orange pigment (carotenoids…) granules. You could also see the Xylem tissue that the pumpkin uses to transport water and minerals to the pumpkin flesh. . Am I the only one that feels that the pumpkin flesh cells look like little microscopic pumpkins :) ? . Well, now you know what the pumpkin that you carved looks like under the microscope. . Have a great Halloween night! . For this video I used an Olympus CX31 microscope at 100x, 200x, and 400x magnification. #microscopy #microscope #plantbiology #naturalshapes #shapesofnature #naturalgeometry #naturalpatterns #pumpkin #stomata #halloween #pumpkincarving #halloween

Adolfo Sánchez-Blanco, Ph.D

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Monday 30 October 2023 21:56:47 GMT