. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ASIATIC FIREFLY LANTERNS 339 sheathing the tracheoles and a concentric outer cell enclosing the tracheal twig and its branching point and enveloping the tracheolar cell. Since this outer cell is very different from the usual tracheal end cell of insect tissues, we shall call it the "twig ; Also in the interest of clarity \ve shall adopt Kluss' "tracheal end organ" to describe the entire complex, and we shall use "cortex" instead of "differentiated pcm. FIGURE 4. Diagram of an end organ
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ASIATIC FIREFLY LANTERNS 339 sheathing the tracheoles and a concentric outer cell enclosing the tracheal twig and its branching point and enveloping the tracheolar cell. Since this outer cell is very different from the usual tracheal end cell of insect tissues, we shall call it the "twig ; Also in the interest of clarity \ve shall adopt Kluss' "tracheal end organ" to describe the entire complex, and we shall use "cortex" instead of "differentiated pcm. FIGURE 4. Diagram of an end organ to show the relationship of its components ("twig cell, twc; tracheolar cell, tc ; nerve endings, NE) to each other and to the photocyte. Transverse sections taken at the levels indicated by broken lines are represented in a, b, and c. T, trachea; tw, tracheal twig; t, tracheole ; te, tracheal epithelial cell; m, mitochondria of twig cell; pcm, mitochondria of photocyte; in', large mitochondrion enveloping origins of tracheoles; NB, nerve branch approaching end organ; iii, nucleus o! twig cell; n?, nucleus of tracheolar cell. layer" or zone for the specialized peripheral zone of cytoplasm which is seen at all external or free faces of the photocytes—, where a photocyte abuts on the dorsal layer, on a cylinder, or on the ventral epithelium, but not where two photocytes 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
