最終更新日：2025/11/30
(medicine) The anatomic and physiological effect that an ectopic mass (such as a tumor, hematoma, or pleural effusion) causes by displacing or pushing against eutopic structures. It may squeeze and thus occlude blood vessels or lymphatic vessels; pinch nerves; disrupt gastrointestinal volume and peristalsis; and so on.
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mass effect
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mass effect
名詞
(medicine)
The
anatomic
and
physiological
effect
that
an
ectopic
mass
(such
as
a
tumor,
hematoma,
or
pleural
effusion)
causes
by
displacing
or
pushing
against
eutopic
structures.
It
may
squeeze
and
thus
occlude
blood
vessels
or
lymphatic
vessels;
pinch
nerves;
disrupt
gastrointestinal
volume
and
peristalsis;
and
so
on.
日本語の意味
（医学）腫瘤（腫瘍、血液塊、胸水など）が正常な組織を圧迫・変位させることにより、血管やリンパ管の閉塞、神経の圧迫、さらには胃腸の機能障害などを引き起こす生理学的・解剖学的効果
意味（1）
(medicine)
The
anatomic
and
physiological
effect
that
an
ectopic
mass
(such
as
a
tumor,
hematoma,
or
pleural
effusion)
causes
by
displacing
or
pushing
against
eutopic
structures.
It
may
squeeze
and
thus
occlude
blood
vessels
or
lymphatic
vessels;
pinch
nerves;
disrupt
gastrointestinal
volume
and
peristalsis;
and
so
on.
（ plural ）
