In this paper we attack the problem of understanding the localization of the main structures involved in the motor circadian rhythm of crayfish by analysing its ontogeny. We present experimental results giving the properties of this rhythm in young and adult crayfish. Then we construct a mathematica
A qualitative mathematical model of the ontogeny of a circadian rhythm in crayfish
✍ Scribed by Miguel Lara-Aparicio; Santiago López de Medrano; Beatriz Fuentes-Pardo; Enrique Moreno-Sáenz
- Publisher
- Springer
- Year
- 1993
- Tongue
- English
- Weight
- 792 KB
- Volume
- 55
- Category
- Article
- ISSN
- 1522-9602
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Evidence of a circadiam clock mechanism was found in the cave crayfish, Orconectes pellucidus, even though it is blind and has been isolated from daiIy cycles for at least 25,000 generations. Five of seven crayfish tested under cave conditions of continuous darkness and 13°C showed apparent rhythms
## Abstract Adult crayfish exhibit a variety of overt circadian rhythms. However, the physiological mechanisms underlying the overt rhythms are controversial. Research has centered on two overt rhythms: the motor activity and the retinal sensitivity rhythms of the genus __Procambarus__. The present