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.
In many of the granules, or more properly, clouds represented.
Chromatin is contained in the central part together with granules known as volutin, the function of which is unknown.
When spoken to the diaphragm vibrated, and thus set the carbon granules into vigorous vibration.
The disks and granules constitute a very powerful microphone.