Horridge, George Adrian; Duniec, J.; Marcelja, L.
1. When fixed during the night the rhabdom of the locust and mantis is much broader than when fixed during the day.
2. Dark-adapted ommatidia of the locust and mantis by day and night have a zone of vacuoles around the rhabdom tip, but when light-adapted this zone is replaced by cytoplasm rich in mitochondria.
3. Illumination of the rhabdom in the night state causes the microvilli to swell and the rhabdom to break down over the course of about 1 h.
4. A diurnal rhythm is...[Show more]
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