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Journal of Experimental Biology 9,249-252 (1932)
Published by Company of Biologists 1932

Iodine Compounds and Fertilisation : V. Agglutination and Chemotaxis of the Sperm

G. S. CARTER 1

1 Corpus Christi College, Cambridge.; Laboratory of Experimental Zoology, Cambridge, and the Marine Laboratory, Millport

1. Agglutination occurs in solutions of thyroxine in sea-water. This agglutination is permanent, and occurs especially, but not only, around the crystals which are present in solutions of thyroxine. It was observed in the sperm of species of Echinus, Solaster, Asterias and Buccinum.

2. There is chemotaxis of the sperm towards these crystals.

3. The resemblance of this type of agglutination to hetero-agglutination is discussed.

Submitted on December 16, 1931






© The Company of Biologists Ltd 1932