. Tumours, innocent and malignant; their clinical characters and appropriate treatment. Fig. 115.—Follicular odontomas from the mandible. in the museum of the Royal College of Surgeons, is a goodexample of this condition.) Hopewell Smith found that a tooth from a follicularodontome had no Nasmyths membrane, and suggests thatthe fluid within these tumours is probably formed from thedegeneration and liquefaction of the stellate reticulum.