最終更新日：2024/08/07
(anatomy) A flat muscle situated under the external oblique muscle in the lateral and ventral part of the abdominal wall, that have aponeuroses extending medially to ensheathe the rectus muscles and fusing in the midventral line in the linea alba, and that act to compress the abdominal contents and to assist in expelling the contents of various visceral organs (as in urination, defecation, parturition, and expiration).
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internal oblique muscle
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internal oblique muscle
noun
(anatomy)
A
flat
muscle
situated
under
the
external
oblique
muscle
in
the
lateral
and
ventral
part
of
the
abdominal
wall,
that
have
aponeuroses
extending
medially
to
ensheathe
the
rectus
muscles
and
fusing
in
the
midventral
line
in
the
linea
alba,
and
that
act
to
compress
the
abdominal
contents
and
to
assist
in
expelling
the
contents
of
various
visceral
organs
(as
in
urination,
defecation,
parturition,
and
expiration).
意味（1）
(anatomy)
A
flat
muscle
situated
under
the
external
oblique
muscle
in
the
lateral
and
ventral
part
of
the
abdominal
wall,
that
have
aponeuroses
extending
medially
to
ensheathe
the
rectus
muscles
and
fusing
in
the
midventral
line
in
the
linea
alba,
and
that
act
to
compress
the
abdominal
contents
and
to
assist
in
expelling
the
contents
of
various
visceral
organs
(as
in
urination,
defecation,
parturition,
and
expiration).
