____________________
forms
.
Blood
from
the
marrow
cavity
,
____________________
____________________
,
and
periosteum
surround
.
A
clot
contains
cells
and
____________________
.
The
second
step
is
the
____________________
____________________
formation
.
Formation
of
callus
between
bone
.
____________________
cells
dissolve
clots
.
____________________
dissolve
damaged
bone
.
____________________
produce
collagen
mass
.
Periosteum
and
endosteum
cells
differentiate
into
chondroblasts
.
They
produce
____________________
.
Endosteum
cells
differentiate
into
osteoblasts
.
External
callus
formation
is
the
formation
of
a
callus
around
the
bone
.
Same
as
internal
callus
but
forms
a
collar
around
the
fracture
.
____________________
____________________
is
similar
to
ossification
of
fetal
bone
.
Forms
bone
in
a
more
____________________
pattern
,
it
is
not
as
strong
.
Remodeling
of
bone
is
the
formation
of
lamellar
bone
.
Osteoclast
and
osteoblast
activity
allows
the
return
of
the
marrow
cavity
.
Can
take
up
to
____________________
year
.