## Abstract Eggβjelly is composed of a network of fibrous components and contains substances regulating the spermβegg interaction. Many studies on the latter have been conducted, whereas the role of the eggβjelly structure in fertilization has not yet been fully assessed. In this study, we examined
Characteristics of Sperm Motility Induced on the Egg-Jelly in the Internal Fertilization of the Newt, Cynops pyrrhogaster
β Scribed by Watanabe, Toshihiko; Itoh, Tokuko; Watanabe, Akihiko; Onitake, Kazuo
- Book ID
- 120240634
- Publisher
- Japan Science and Technology Information Aggregator, Electronic
- Year
- 2003
- Tongue
- English
- Weight
- 146 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0289-0003
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The significance of egg-jelly layers in internal fertilization was evaluated in the newt, Cynops pyrrhogaster. In this species, six egg-jelly layers, J1, J2, J3, J4, J5 and the outermost J6 layers, are accumulated on the surface of the fertilizable eggs in pars convoluta of the oviduct. When a large
## Abstract The acrosome reaction of newt sperm is induced at the surface of egg jelly and the acrosomeβreacted sperm acquire the ability to bind to the vitelline envelope. However, because the substance that induces the acrosome reaction has not been identified, the mechanism by which the acrosome