Horsetail stem. Darkfield contrast micrograph of a section through the stem of a common horsetail (Equisetum arvense) plant. Magnification: x50 when p

---

Horsetail stem. Darkfield contrast micrograph of a section through the stem of a common horsetail (Equisetum arvense) plant. Magnification: x50 when printed 10 centimetres wide.

---

Size: 4481px × 3921px
Photo credit: © GERD GUENTHER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, anatomical, anatomy, artwork, axon, axons, biochemical, biochemistry, biological, biology, bodies, body, cell, cells, cgi, channel, channels, cleft, connection, cytological, cytology, dendrite, dendrites, digitally-generated, electrical, electricity, illustration, image, impulse, joint, junction, nerve, nerves, nervous, network, neural, neuron, neurone, neurones, neurons, neuroscience, neurotransmitter, neurotransmitters, presynaptic, propagation, receptor, receptors, synapse, synaptic, system, transmission, vesicle, vesicles