“4

2.e0effects of xecletion

{2) a breskéown of protein into smsll molecules, causing chsnees
within cytoplasm which mey 2lter the osmotic presse of cells.
1

(3) mitotic mechanism danage, which may be br-ught about by suppression of complete interruption of call division; by the breaking of
chromosomes; or by definite injury to the genes.
Indirect radiation action brings about changes in the activity of
céllis

by virtue of cnanzes in cell environment, such as enzymatic inhibie

tion and interference with circulation.

Bicloszicsl effects of sucute total body rediaticn and of chronic
total bedy radiation, vith respect to the difference in the mechanism of
these tvo Kinds of ro@lation,

will be reviewed briefly in the lecture.

Select target paragraph3