Definition of digoxin
di`gox´in
n.
1.
(Chem.)
a
steroid
glycoside
,
one
of
the
cardiotonic
chemical
substances
which
is
extracted
from
the
foxglove
.
It
is
a
white
,
crystalline
substance
(
C41H64O14
),
and
is
a
3-substituted
triglucoside
of
a
steroid
,
related
structurally
to
digitalin
and
digitoxin
.
It
is
used
as
a
cardiotonic
for
treatment
of
certain
heart
conditions
,
such
as
congestive
heart
failure
.
Chemically
it
is
(
3
4
)-O-2,
6-dideoxy-
4
)-2,
6-dideoxy-
.
The
related
compounds
digitalin
and
digoxin
are
also
extracted
from
the
foxglove
(
Digitalis
lanata
and
Digitalis
purpurea
).
The
class
of
steroid
glycosides
having
cardiotonic
properties
are
refered
to
as
the
cardiac
glycosides
.
Related Words
brand
,
brand
name
,
digitalin
,
digitalis
,
digitalis
glycoside
,
Lanoxin
,
marque
,
trade
name
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