Words similar to photoperiod

Example sentences for: photoperiod

How can you use “photoperiod” in a sentence? Here are some example sentences to help you improve your vocabulary:

If endogenous timers that affect responses to constant photoperiod are present, they appear relatively unimportant in adult F344 rats.
They were housed under ambient temperature of 21-23°C, relative humidity of 50 ± 5%, and a 12-h light/12-h dark photoperiod.
However, recent work shows that laboratory rat strains vary in their responsiveness to photoperiod [ 3 4 5 6 ] . Laboratory rats of some strains can be manipulated to unmask responses to photoperiod or melatonin, even though short photoperiod alone does not affect reproduction [ 7 8 9 ] . Peripubertal rats in the inbred Fischer 344 (F344) and Brown Norway (BN) strains are naturally sensitive to reproductive inhibition by short photoperiod alone [ 4 5 6 ] . In several species of rodents, peripubertal young have stronger reproductive responses to photoperiod than adults [ 10 11 12 13 ] , and this appears to be true for induced-photoresponsive laboratory rats as well [ 14 ] .
Endogenous circannual rhythms may serve to protect the timing of seasonal functions from noise in environmental cues [ 2 ] , and may improve seasonal timing by buffering variation in the detection or measurement of even the most reliable environmental cues, including photoperiod.
In each group, 14 rats were held in a single large photoperiod chamber, and the remaining 2 or 3 individuals in each treatment were held in a second, smaller chamber set to the same photoperiod.