Sebaceous
glands
are
oil
-
producing
glands
present
in
____________________
dermis
of
mammalian
skin
.
Sebaceous
glands
are
usually
____________________
to
hair
follicles
and
are
part
of
a
complex
skin
-
adnexal
unit
known
as
the
folliculoapocrine
(
sweat
)
apparatus
.
The
____________________
are
present
over
the
entire
body
,
with
the
exception
of
the
____________________
of
the
hands
and
the
soles
of
the
feet
;
they
are
most
abundant
on
the
____________________
and
central
face
.
Skin
adnexal
tumors
____________________
sebaceous
differentiation
are
uncommon
,
difficult
to
classify
,
and
may
be
controversial
.
The
main
controversy
concerns
the
microscopic
features
,
____________________
vary
from
well
-
to
-
poorly
differentiated
and
sometimes
undifferentiated
varieties
.
A
____________________
of
morphologic
features
can
be
encountered
within
the
same
neoplasm
.
____________________
reports
include
few
cases
.
Large
series
of
cases
for
comparison
and
follow
-
up
____________________
not
been
published
.
