Explanation

Saccular glands have wide, spherical, secretory part called acinus. They may be simple or compound. The simple saccular glands may be branched or unbranched. A compound saccular gland consists of several lobules, each having many acini. The acini of a lobule opens by short ductules into a common duct that discharge into the main duct of the glands. The oil glands in the human skin are simple, branched and saccular whereas, milk glands of humans are compound and saccular