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MORPHOLOGICAL OBSERVATIONS ON THE SPERMATOZOA OF ECHINOTHURID SEA URCHINS

✍ Scribed by SHONAN AMEMIYA; TAKASHI SUYEMITSU; ISAO UEMURA


Book ID
108942348
Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
746 KB
Volume
22
Category
Article
ISSN
0012-1592

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## Abstract Mature unfertilized eggs of the medaka, __Oryzias latipes__, were injected with sperm flagellar microtubules of the sea urchin, __Hemicentrotus pulcherrimus__, and were observed with reference to the process of early development. Groups of injected eggs, most of which initiated cleavage