Last Updated：2022/12/24
Periosteum and endosteum are connective tissue sheaths of bone. […] The periosteum is a layer of connective tissue covering the external surface of a bone. The periosteum may be divided into two components: / a. An outer fibrous layer consists of dense irregular connective tissue. / b. An inner cellular layer consists of osteoprogenitor (osteogenic) cells.
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Periosteum
and
endosteum
are
connective
tissue
sheaths
of
bone.
[…]
The
periosteum
is
a
layer
of
connective
tissue
covering
the
external
surface
of
a
bone.
The
periosteum
may
be
divided
into
two
components:
/
a.
An
outer
fibrous
layer
consists
of
dense
irregular
connective
tissue.
/
b.
An
inner
cellular
layer
consists
of
osteoprogenitor
(osteogenic)
cells.
