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Science 20 September 1968:
Vol. 161. no. 3847, pp. 1243 - 1245
DOI: 10.1126/science.161.3847.1243
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Articles

Sea Urchin Response to Foreign Substances

Henry R. Hilgard 1 and John H. Phillips 2

1 Division of Natural Sciences, University of California, Santa Cruz 95060
2 Hopkins Marine Station, Stanford University, Pacific Grove, California

An assessment of the response of Strongylocentrotus purpuratus to substances injected into the coelom shows that (i) foreign molecules are cleared from the coelomic fluid more rapidly than native molecules, (ii) coelomocytes can respond selectively to albumins of human and bovine origin, and (iii) immunization attempts fail to elicit accelerated coelomocyte uptake or accelerated clear-with antigen.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)