. The Biological bulletin. Biology; Zoology; Marine biology. 186 J. W. SCHNETZER AND M. S. TYLER. Figure 10. X-gal staining of /3-galactosidase activity at pH (A) and pH (B) of cryostat frontal sections of adult heads. Anterior is up. a, antenna; cc, cellular cortex; e, esophagus; ey, eye; 1, cell body layer of the lamina; Oi, first optic chiasmata; 02, second optic chiasmata. Bars = mm. (A) Section through head of a newly eclosed female stained at pH No staining shows up in the brain. (B) Alternate section of the above, stained at pH Staining occurs in numerous regions o
. The Biological bulletin. Biology; Zoology; Marine biology. 186 J. W. SCHNETZER AND M. S. TYLER. Figure 10. X-gal staining of /3-galactosidase activity at pH (A) and pH (B) of cryostat frontal sections of adult heads. Anterior is up. a, antenna; cc, cellular cortex; e, esophagus; ey, eye; 1, cell body layer of the lamina; Oi, first optic chiasmata; 02, second optic chiasmata. Bars = mm. (A) Section through head of a newly eclosed female stained at pH No staining shows up in the brain. (B) Alternate section of the above, stained at pH Staining occurs in numerous regions of the brain, including the first and second optic chiasmata, cellular cortex, and cell body layer of the lamina. Light staining is also seen in the antennae. use by the developing imaginal tissues (Chapman, 1969). Many of the areas that we found to have /S-galactosidase activity are associated with phagocytic activity: the lymph glands release large numbers of phagocytic cells into the haemocoel through the prepupal stage (Rizki, 1978a); in the eye and antenna discs, localized programmed cell. 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 Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-; Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. Lancaster, Pa. [etc. ] : Lancaster Press, inc. [etc. ]
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