. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ALLOGENEIC REJECTION IN COMPOUND ASCID1ANS 57 *.'•'-' ' '. Figure 5. Blood cell infiltration (Botrvlloides simodensis). Arrow, infiltrating hlood cell (morula cell): e. epidermis of blood vessel: lu. vascular lumen: t. tunic matrix. Bar = 5 ^m. Figure 6. Blood cells infiltrating in the tunic (Botrylloidesfuscus). Bar = 5 Mm. Figure 7. Blood cells migrate in an area of partial tunic fusion (Botrylloides simodensis). Arrowheads indicate tunic cuticle. Bar = 2 Mil- Figure 8. Disintegration ot infiltrating blood cells (morula ce
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ALLOGENEIC REJECTION IN COMPOUND ASCID1ANS 57 *.'•'-' ' '. Figure 5. Blood cell infiltration (Botrvlloides simodensis). Arrow, infiltrating hlood cell (morula cell): e. epidermis of blood vessel: lu. vascular lumen: t. tunic matrix. Bar = 5 ^m. Figure 6. Blood cells infiltrating in the tunic (Botrylloidesfuscus). Bar = 5 Mm. Figure 7. Blood cells migrate in an area of partial tunic fusion (Botrylloides simodensis). Arrowheads indicate tunic cuticle. Bar = 2 Mil- Figure 8. Disintegration ot infiltrating blood cells (morula cells) in the tunic (Botrylloidesfuscus). Elec- tron-dense materials are discharged in the tunic. Bar = 5 urn. probably restricted to the tunic, particularly in species in of blood cells may also be alloreactive in B. simodensis. which surgical fusion occurs, B. fuscus; moreover, because an intensive rejection occurs between incompat- the tunic cells may well be the sole allorecognition sites. ible colonies that make contact at artificial cut surfaces. On the other hand, the ampullar epithelia or some kinds The first signs of SCR are the disintegration of vacuo-. 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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