It is, like milk, an emulsion, and when examined with the microscope is seen to consist of numerous globules suspended in a watery fluid.
The oil may be given in capsules, or in the form of an emulsion, with or without maltextract, or success may be obtained by adding, to every two drachms of the oil, ten minims of pure ether and a drop of peppermint oil.
'In chemical constitution it consists of an emulsion of fatty globules (cream) in a watery alkaline solution of casein, and a variety of sugar, peculiar to milk, called lactose.
They possess a delicate Laticiferous layer of protoplasm, with numerous small nuclei lining Tissue the walls, while the interior of the tube (corresponding with the cell-vacuole) contains a fluid called latex, consisting of an emulsion of fine granules and drops of very various substances suspended in a watery medium in which various other substances (salts, sugars, rubber-producers, tannins, alkaloids and various enzymes) are dissolved.
The watery liquid known as rubber milk or latex is an emulsion consisting chiefly of a weak watery solution of proteids, carbohydrates and salts holding the liquid globules in suspension.