Impaction
n.-
(Surg.) The driving of one fragment of bone into another so that the fragments are not movable upon each other;
as, .impaction of the skull or of the hip -
An immovable packing;
(Med.) , a lodgment of something in a strait or passage of the body;as, impaction of the fetal head in the strait of the pelvis;impaction of food or feces in the intestines of man or beast.
