. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. 662 Comparative Animal Physiology Numerous Ctenophora, perhaps all, are luminous. Here the light-produc- ing cells are located along the meridional gastrovascular canals in the vicin- Connective f strand Hypodermis Pigment laye ithelium Light cells Basement membrane Reflecting layer. Cuticle Light cells Mucous cells Fig. 251. A, Section through a Hght organ of the deep sea shrimp, Sergestes. From ' B, Section through Hght organ of the cephalopod, Romieletia. C, A section of a luminous area of Chaetoptern
. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. 662 Comparative Animal Physiology Numerous Ctenophora, perhaps all, are luminous. Here the light-produc- ing cells are located along the meridional gastrovascular canals in the vicin- Connective f strand Hypodermis Pigment laye ithelium Light cells Basement membrane Reflecting layer. Cuticle Light cells Mucous cells Fig. 251. A, Section through a Hght organ of the deep sea shrimp, Sergestes. From ' B, Section through Hght organ of the cephalopod, Romieletia. C, A section of a luminous area of Chaetopterns epidermis. From Harvey,"^ after Dahlgren. ity of the germ cells. These organisms luminesce in resjxinse to stimuli, but the response is inhibited bv bright light. After subjection to davlight the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Prosser, C. Ladd (Clifford Ladd), 1907-; Bishop, David W. Philadelphia, Saunders
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