Infiltration

(in-fil-tra’ ’-shun) [in, into; filtrare, to strain]. 1. The entrance into the ti ue-spaces or into the ti ue-elements of some abnormal substance or of a normal substance in exce . 2. The material thus deposited. I.,Calcareous, the deposit of lime and magnesium salts in the ti ues. I., Cellular, an infiltration of the ti ues with round cells. I., Fatty, the deposit of fat in the ti ues; the presence of oil or fat-globules in the interior of a cell. I., Glycogenic, the deposit of glycogen -granules in the cells. I., Pigmentary, the deposit of pigment in the ti ues, derived either from without or from within. I., Serous, an infiltration of the ti ues with diluted lymph. I., Tuberculous, a confluence of tuberculous nodules. 332