最終更新日：2025/11/25
(anatomy) A small muscle of the middle ear that arises from the wall of the tympanum and is inserted into the neck of the stapes by a tendon that sometimes contains a slender spine of bone; it is the smallest skeletal muscle in the human body, serving to stabilize the stapes to check and dampen its vibration.
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stapedius
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元となった辞書の項目
stapedius
IPA（発音記号）
名詞
(anatomy)
A
small
muscle
of
the
middle
ear
that
arises
from
the
wall
of
the
tympanum
and
is
inserted
into
the
neck
of
the
stapes
by
a
tendon
that
sometimes
contains
a
slender
spine
of
bone;
it
is
the
smallest
skeletal
muscle
in
the
human
body,
serving
to
stabilize
the
stapes
to
check
and
dampen
its
vibration.
日本語の意味
中耳に存在する非常に小さな筋肉で、鼓膜の壁から起こり、耳小骨の一つであるstapes（アキス状小骨）の頸部に腱で付着している。stapesの振動を安定させ、過度の振動を抑制する役割を持つ。
意味（1）
(anatomy)
A
small
muscle
of
the
middle
ear
that
arises
from
the
wall
of
the
tympanum
and
is
inserted
into
the
neck
of
the
stapes
by
a
tendon
that
sometimes
contains
a
slender
spine
of
bone;
it
is
the
smallest
skeletal
muscle
in
the
human
body,
serving
to
stabilize
the
stapes
to
check
and
dampen
its
vibration.
（ plural ）
