最終更新日：2025/11/25
(anatomy) A small muscle of the middle ear that is located in the bony canal just above the bony part of the Eustachian tube, that arises from the canal containing it, from the cartilaginous portion of the Eustachian tube, and from the adjacent greater wing of the sphenoid bone, that is inserted by a long tendon into the manubrium of the malleus near its base, and that serves to adjust the tension of the tympanic membrane.
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tensor tympani
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元となった辞書の項目
tensor tympani
IPA（発音記号）
名詞
(anatomy)
A
small
muscle
of
the
middle
ear
that
is
located
in
the
bony
canal
just
above
the
bony
part
of
the
Eustachian
tube,
that
arises
from
the
canal
containing
it,
from
the
cartilaginous
portion
of
the
Eustachian
tube,
and
from
the
adjacent
greater
wing
of
the
sphenoid
bone,
that
is
inserted
by
a
long
tendon
into
the
manubrium
of
the
malleus
near
its
base,
and
that
serves
to
adjust
the
tension
of
the
tympanic
membrane.
日本語の意味
中耳に存在する小さな筋肉で、骨の管内に位置し、耳小骨（槌骨）の基部近くに長い腱を介して付着しており、鼓膜の張力を調整する役割を持つ。
意味（1）
(anatomy)
A
small
muscle
of
the
middle
ear
that
is
located
in
the
bony
canal
just
above
the
bony
part
of
the
Eustachian
tube,
that
arises
from
the
canal
containing
it,
from
the
cartilaginous
portion
of
the
Eustachian
tube,
and
from
the
adjacent
greater
wing
of
the
sphenoid
bone,
that
is
inserted
by
a
long
tendon
into
the
manubrium
of
the
malleus
near
its
base,
and
that
serves
to
adjust
the
tension
of
the
tympanic
membrane.
（ plural ）
