. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. R- ' « -•-• .•• ^ v • ^ -* .. s--- ^* 4A ". 4B Figure 1. Subcuticular rejection in Botrylloides sinwilcnsis. Two incompatible colonies (right and left) are contacted at their growing edges. Rejection lesions are barely seen under the stereomicroscope. Bar = mm. Figure 2. Histological sections of subcuticular rejection in Bolrvlloiiles ximodenxis (A) and (B). Arrows, rejection lesions; arrowheads, tunic cuticle; t, tunic matrix; v, vascular vessel. Bar = 200 ^m (A)and lOO/irnlB). Figure 3. Fusion of'the
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. R- ' « -•-• .•• ^ v • ^ -* .. s--- ^* 4A ". 4B Figure 1. Subcuticular rejection in Botrylloides sinwilcnsis. Two incompatible colonies (right and left) are contacted at their growing edges. Rejection lesions are barely seen under the stereomicroscope. Bar = mm. Figure 2. Histological sections of subcuticular rejection in Bolrvlloiiles ximodenxis (A) and (B). Arrows, rejection lesions; arrowheads, tunic cuticle; t, tunic matrix; v, vascular vessel. Bar = 200 ^m (A)and lOO/irnlB). Figure 3. Fusion of'the tunic between incompatible colonies of Botrylloides fuscus (A) and an enlarge- ment (B). Arrowheads, tunic cuticle of each colony; e, epidermis of vascular ampulla; t, tunic matrix. Bar = 5 jim (A). I jim(B). Figure 4. Vacuo-granular tunic cells of Botrylloides fuscus. Intact cell with vacuoles and granules (A). and a disintegrating one discharging electron-dense materials that produce filamentous structures (ar- rowhead. B). Bar = 5 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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