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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Vet Clin North Am Small Anim Pract. 2012 Oct 9;42(6):1179–1207. doi: 10.1016/j.cvsm.2012.08.008

Figure 11.

Figure 11

Electron micrographs through synapses of endbulbs (EB) from cats with normal hearing [135]. The endbulb (yellow) forms synapses opposite dome-shaped postsynaptic densities (*) and round synaptic vesicles accumulate along the presynaptic membrane. Cisternae (arrow) form between the membrane of the endbulb and that of the postsynaptic spherical bushy cell (SBC); these intermembraneous channels may serve as “gutters” to facilitate transmitter diffusion away from the synapse. Scale bar equals 0.5 µm. [135] (O'Neil, JN, Limb, CJ, Baker, CA, et al. Bilateral effects of unilateral cochlear implantation in congenitally deaf cats. J. Comp. Neurol. 2010;518: 2382–2404, with permission.)