THE CENTROSOME 



earlier stages the aster has cxarM, .u ^'^ 



w 



^ 



^ 



6^ 



Fig- 154- - Centrosome and aster in 

 entosphere iound^TK'"' ^^^'^^Ph^-'eJ ^ones. 



the polar mitoses of C/n/o. [Lillie.] 

 granule (centrosome) surrounded bv medullarv 

 ^. Late anaphase of second polar mitosis raS 

 oftt'oid'rS:,::--"^ ---.• ^ormatt' 



rays pass (Fig- ic-? /7 p- 



a dense and deep?y"staininf s!,!!!' '^^l '"""' '^^"'''' '^°"^'^ting of 

 structure and is b^LderbTa i's"' ' f ''■^' '"^ ^>-'^''"' '''-"'^•^^^ 

 anaphase) the central grat,fe di "deTT^to f' '" ^^^ ^''"'^'"-■^ "^^^^ 

 ^o-r or .ore granuies,^of whicJl^^ Co^^ or;rl;^r:cti"l; 



