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Polarity in normal and centrifuged eggs of Urechis caupo Fisher and MacGinitie

Book ID
112571502
Publisher
Springer Vienna
Year
1933
Tongue
English
Weight
71 KB
Volume
17
Category
Article
ISSN
0033-183X

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๐Ÿ“œ SIMILAR VOLUMES

Normal functioning and experimental beha
Normal functioning and experimental behavior of the egg and sperm collectors of the echiuroid, Urechis caupo
โœ MacGinitie, G. E. ๐Ÿ“‚ Article ๐Ÿ“… 1935 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 753 KB

Urechis caupo (Fisher and MacGinitie, '28 a ) is proving to be such a valuable animal for experimental purposes that the following information relative to its sex activities may be welcomed at this time. Worms of this species may be kept for several months in salt water aquaria with running water.

The fertilization of eggs and the rearin
The fertilization of eggs and the rearing of the larvae of Urechis caupo within the blood cavity of the adult animal
โœ MacGinitie, G. E. ๐Ÿ“‚ Article ๐Ÿ“… 1935 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 276 KB

Del N a r 'This work was the result of a suggestion made by Dr. T. H. Morgan. aEggs of Urechis may be fertilized readily in centrifuged blood plasma, but This phase of the work such fertilization seems to require an excess of sperm. will be reported on later.