Four
zones
of
the
____________________
____________________
.
Zone
of
____________________
cartilage
is
the
closest
to
the
epiphysis
.
It
has
the
____________________
cell
activity
.
The
zone
of
____________________
has
____________________
mitotic
division
.
The
zone
of
____________________
that
has
____________________
that
lay
down
matrix
.
The
zone
of
____________________
has
the
oldest
cells
.
____________________
die
and
blood
vessels
infiltrate
.
____________________
migrate
and
lay
down
bone
matrix
.
Epiphyseal
activity
until
12
-
25
years
old
.
