electric organ

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electric organ

[i¦lek·trik ′ȯr·gən]
(vertebrate zoology)
An organ consisting of rows of electroplaques which produce an electric discharge.
References in periodicals archive ?
The action of collagenase on skate electric organ has two distinct, but partially overlapping, phases: first, the dissociation of innervated electrocytes; and second, the denervation of individual electrocytes and the concomitant release of nerve terminals into the surrounding fluid (Fox et al.
The morphology of electrocytes after treatment of organs for 4 days at 6 [degrees] C is shown in Figures 4 and 5.
When salines from washed electrocytes are examined with Nomarski optics, free nerve terminals can be identified [ILLUSTRATION FOR FIGURE 6 OMITTED].
In view of the greatly extended periods of exposure to collagenase used in the present study, it was important to establish the basic electrophysiological properties of electrocytes so treated.
It is more physiological, because skates prefer cold water; it results in very stable electrocyte preparations [ILLUSTRATION FOR FIGURE 2 OMITTED]; and it inhibits the movement of the Schwann cells and thus prevents encapsulation of detached nerve terminals during collagenase-induced denervation of dissociated electrocytes [ILLUSTRATION FOR FIGURE 5 AND 6 OMITTED].
In both cases the tissue disruption techniques employed lead to the dissociation of presynaptic terminals from the innervated surface of the electrocytes.