extreme magnification - pelargonium, glandular hairs and tector - section through stem at 20x

biology cell cellular chlorophyll cience epidermis even exfoliated glandular glass green hairs ink investigation leaf life magnified magnify microscope microscopic microscopy microtome microtubes mitosis nature optical organism pattern pelargonium plant root scientific section seed slide structure study technological tector thin through tip tissues tubular unicellular vegetable zonale