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  • Title: [Neurosecretory activity during regeneration in the oligochaete annelid Tubifex tubifex].
    Author: Stéphan-Dubois F.
    Journal: Arch Anat Microsc Morphol Exp; 1983; 72(1):47-57. PubMed ID: 6195965.
    Abstract:
    Following amputation of the posterior half of Tubifex, all the nerve cells stainable by paraldehyde fuchsin (NF) immediately discharged. Fifteen minutes later, some stained NFs reappeared. Their number increased, reached a peak far above the normal level, then slowly decreased. This peak occurred 8 hours after amputation in the brain, after 3-4 days in the ventral ganglia. A similar cycle took place during the anterior regeneration of Tubifex whose four anterior segments were previously cut away. Following a double amputation (behind the first or fourth segment and at half length), the stimulation of the neurosecretory activity was even clearer, the number of NFs reaching a higher and earlier peak. Correlatively, the regenerative histogenesis was accelerated in the caudal blastema.
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