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ON THE EARLY DEVELOPMENT OF THE ECHINODERM EGG 1. THE VISIBLE CHANGES FOLLOWING FERTILISATION AND ARTIFICIAL PARTHENOGENESIS ON THE SURFACE OF THE EGG OF SPHAERECHINUS GRANULARIS.
Author(s) -
CARTER G. S.
Publication year - 1924
Publication title -
biological reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 4.993
H-Index - 165
eISSN - 1469-185X
pISSN - 1464-7931
DOI - 10.1111/j.1469-185x.1924.tb00537.x
Subject(s) - fertilisation , echinoderm , human fertilization , vitelline membrane , biology , membrane , embryogenesis , chemistry , anatomy , microbiology and biotechnology , oocyte , embryo , ecology , biochemistry , reproductive technology
Summary. The visible changes at the egg surface during early development with or without a fertilisation‐membrane are described. The relation of the substances of the vitelline membrane and of the “gelatinous layer” to the substance to which the extrusion of the fertilisation membrane is due is discussed.