...1.INTRODUCTION Collective bargaining has been defined by different experts in different ways. Nevertheless, it is treated as a method by which problem of wages and conditions of employment are resolved peacefully and voluntarily between labor and management. However, the term collective bargaining is opposed to individual bargaining.
Definition of EMBRYO SAC. : the female gametophyte of a seed plant consisting of a thin-walled sac within the nucellus that contains the egg nucleus and other nuclei which give rise to endosperm on fertilization.See embryo sac defined for kids.ADVERTISEMENT. the female gametophyte of a seed plant consisting of a thin-walled sac within the nucellus that contains the egg nucleus and other nuclei which give rise to endosperm on fertilization. See embryo sac defined for kids. ADVERTISEMENT.
Amnion: A thin, tough, membranous sac that encloses the embryo. It is filled with a serous fluid in which the embryo is suspended. Chorion: The outer membrane enclosing the embryo in reptiles, birds, and mammals. In placental mammals it contributes to the development of the placenta.here are four fetal membranesâthe amnion, chorion, yolk sac, and allantois. In the course of development, the chorion becomes the outermost, and the amnion the innermost, membrane surrounding the developing embryo.