Days of
Zone
regeneration
j
jj
jjj
jy
1 0
1 3
1 6
1 9
FIG. 3. Graphic representation of the mitotic index and cell density distribution
of the four longitudinal zones of the axolotl blastema at four regeneration stages.
Note the high mitotic index in the apical zone (I) as compared with the basal zone
(IV) in blastemata of 10 through 16 days. (From Hearson, 1960.)
— M i t o t i c
i n d e x —
) ; u n j a d s i i a o - A } ; s u a q—
227