✦ LIBER ✦

Behaviour of Sea Urchins

Book ID: 109605004
Publisher: Nature Publishing Group
Year: 1959
Tongue: English
Weight: 228 KB
Volume: 184
Category: Article
ISSN: 0028-0836
DOI: 10.1038/184783b0

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Respiratory behaviour of sea-urchin sper

Respiratory behaviour of sea-urchin spermatozoa. II. Sperm-activating substance obtained from jelly coat of sea-urchin eggs

✍ Ohtake, Hideki 📂 Article 📅 1976 🏛 John Wiley and Sons 🌐 English ⚖ 896 KB

## 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