...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.
Structure and Function of the Yolk Sac: The yolk sac is situated on the ventral aspect of the embryo and is one of the three embryonic cavities (chorion, amnion and yolk sac) that appear as of day 8 of human development.everal structures develop from the yolk sac. The allantois arises as a tubular diverticulum of the posterior part of the yolk sac, and a constriction in the yolk sac encloses a small part of yolk sac within the embryo and constitutes the primitive digestive tube.