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Involucrum
An
involucrum
is a
layer
of new
bone growth
outside
existing
bone
.
There are two main contexts:
In
pyogenic osteomyelitis
where it is a layer of
living
bone that has formed about
dead
bone. It can be
identified
by
radiographically
.
In
cetaceans
such as
whales
, it is a
thick
covering
of bone over the
middle-ear
space
.
