Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective biology Occurring or having cycles of approximately
annual periodicity
Etymologies
Sorry, no etymologies found.
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Examples
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The real answer lies in circadian and circannual rhythmicity, chronobiology, evolution vs. modern life.
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If I remember correctly, your posts were primarily about the various rhythms (circadian, circannual, etc.), which is interesting, but is really at a much lower level (early perceptual, pre-cortical, and very primitive) than what I usually deal with, or know much about.
Time Perception II: Cognitive Factors Chris 2004
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The only well developed visual domains are those involved in controlling the circadian and circannual biological rhythms - the suprachiasmatic nucleus and the retinohypothalamic projections.
PLoS ONE Alerts: New Articles Ondřej Kott et al. 2010
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The reindeer use those few weeks of spring (and fall) to measure daylength (photoperiod) and thus time their seasonality - or in other words, to reset their internal calendar: the circannual clock.
ScienceBlogs Channel : Life Science Coturnix none@example.com 2010
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Controls circadian and circannual rhythms by stimulation of the brain - possibly involved in the maturation of sexual organs
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