The relation of light intensity to retinal pigment migration in the frog
โ Scribed by Dietrich C. Smith
- Publisher
- John Wiley and Sons
- Year
- 1927
- Tongue
- English
- Weight
- 829 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0021-9967
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Persistent 24-hour rhythms of migration of retinal pigments in the compound eye have been reported for several crustaceans. Review of the literature disclosed that any one or any combination of the three pigments, distal, proximal, and reflecting, may exhibit a 24-hour rhythmicity (Brown, '44 ; Klei
Normally, in the frog the iliac arteries lie ventral to the tenth spinal nerve and dorsal to the nerves of the sciatic plexus. The accompanying figure shows a variation from this relation between the iliac artery and the sciatic plexus of the left side. Here the artery continues ventrally to the ple