Impulse conduction in the jellyfish, Aglantha digitale

Research output: Contribution to journalArticle (Academic Journal)peer-review

2 Citations (Scopus)


In the jellyfish Aglantha digitale two forms of swimming arise from two separate propagating axonal impulses: a fast, overshooting action potential that depends on TTX-resistant Na+ channels, and a low-amplitude spike that depends on T-type Ca2+ channels. While the Na+ action potential is propagated simply and without distortion, the shape of the Ca2+ spike depends on the past history of the axon; it is processed as well as propagated. Patch- and voltage-clamp experiments show how three classes of K+ channels contribute to this apparently unique system. A dual Na+/Ca2+ impulse mechanism may increase the bandwidth of an axonal line of communication but it also places restrictions on the form of the synaptic input needed for spike initiation
Translated title of the contributionImpulse conduction in the jellyfish, Aglantha digitale
Original languageEnglish
Pages (from-to)81 - 89
Number of pages9
Publication statusPublished - Nov 2004

Bibliographical note

Publisher: Springer


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