Onion epidermis with large cells under light microscope. Clear epidermal cells of an onion Allium cepa in a single layer. Each cell with wall membrane cytoplasm nucleus and large vacuole. Photo.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容
Pick up several 3 mm×3 mm squares of epidermal tissue with forceps, and place the epidermal tissue sections inside down or inside up on the drop of water. 4. Set up Köhler illumination in the Olympus BH-2 microscope. Observe an onion epidermal cell with bright-field optics using the ...
During peripheral nerve development, Schwann cell differentiation and myelination critically depend on axon-derived growth factors, namely Neuregulin-1 (NRG1)21. NRG1 belongs to a family of transmembrane and secreted epidermal growth factor (EGF)-like growth factors, which exist in various isoforms an...