Two nerve nets are formed in Hydra vulgaris: the endodermal (cyan) and the ectodermal (purple) net. (B) Intraepithelial neurons are randomly scattered between the epithelial cells of the two germ layers. (C) Two types of connections have been found between Hydra’s neurons. (D) Endodermal neurons are in physical touch with each other by forming neural handshakes by digiform endings, which get intertwined. (E) In other places, clusters of vesicles of different types can be released to mediate volume transmission between neurons and between neurons and other cells.
Our dispatch:
www.sciencedirect.com/science/article/pii/S096...
on the recent Hydra volume EM paper by Zhang, Rafa Yuste and colleagues:
#connectomics, without synapses
www.sciencedirect.com/science/article/pii/S096...
#neuroscience