EN
Processes of milk fat biosynthesis and milk fat globules secretion are gaining increasing attention in recent years. Milk fat not only provides calories and nutritionally important components, but also greatly contributes to the organoleptic characteristics of dairy products. Milk fat globules are formed and secreted from mammary epithelial cells. The functioning and development of the mammary gland is a very complex process. The changes in hormonal levels upon each pregnancy cause the mammary epithelial cells to proliferate, differentiate and die due to apoptosis. The paper brings together current information regarding the regulation of the mammary gland development, regulation of milk fat synthesis, as well as characterizes key stages in the biosynthesis, formation and secretion of milk fat globules.