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Activity-Preventing and Egg-Sea-Water Neutralizing Substances from Spermatozoa of Echinometra subangularis

✍ Scribed by Walter E. Southwick


Book ID
125717972
Publisher
Marine Biological Laboratory
Year
1939
Tongue
English
Weight
227 KB
Volume
77
Category
Article
ISSN
0006-3185

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## Abstract A sperm‐activating substance (SAS) was obtained from the jelly coat of sea‐urchin ova and its chemical properties were investigated in three seaurchin species. The SAS was partially purified from the jelly coat of __pseudocentrotus__ eggs through several steps of purification by procedu