. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 146. Figure 2. Diagram of gland D, same orientation as in Figure 1. (1) Canopy with outer connective tissue layer, a middle layer of indosomes and an inner layer of thin platelets composed of laminations of dioptric material. (2) Radiating spindle shaped cluster of secretory cells arranged in packets of five or six cells. (3) Thin layer of connective tissue. (4) Layer of thin dioptric platelets similar to the layer in the canopy. (5) Beaded layers of oriented iridosomes (see Fig. 7a). (6) Layer of connective tissue that enco
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 146. Figure 2. Diagram of gland D, same orientation as in Figure 1. (1) Canopy with outer connective tissue layer, a middle layer of indosomes and an inner layer of thin platelets composed of laminations of dioptric material. (2) Radiating spindle shaped cluster of secretory cells arranged in packets of five or six cells. (3) Thin layer of connective tissue. (4) Layer of thin dioptric platelets similar to the layer in the canopy. (5) Beaded layers of oriented iridosomes (see Fig. 7a). (6) Layer of connective tissue that encompasses both gland D and its canopy. (7) Blood vessel. (8) Thick laminated dioptric facet (see Figs. 3. 10, 11). (9) Location of a continuation of the platelet layer that drops down in hack of gland D forming a cup-like shelf that terminates near the plane of section. / <•. the free edge faces the surface of the fish (see 4 in Fig. 3). (10) Oriented layers of sparse, flattened connective tissue cells (see Fig. 8) embedded in finely granular lucent material that extends from under the canopy to form a lenticular bulge. (11) Cluster of secretory cells similar to those within the gland proper but on a smaller scale. (12) Small clusters of cells containing irregularly arranged iridosomes. (13) Epithelial layer of secretory duct. (14) Connective tissue sheath of secretory duct. Figure 3. Light micrograph of gland D. Plane of section is at right angle to the diagram in Figure 1, at right angle to the surface of the fish. (I) Thin laminated dioptric platelets. (2) Sheets of beaded melanin- like iridosomes. (3) Thick dioptric plates or facets. (4) Shelf of thin dioptric platelets continuing from the posterior-ventral edge of layer 1; its out of plane position is indicated in Figure 2 b\ dashed line. (5) Overlapping dioptric material, closely packed. (6) Dioptric material, more dense, and oriented at right angle to the lens of the shield. (7) Lens-like thickening of the shiel
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
