Last Updated：2025/12/06
(anatomy) A broad, thin muscle that arises especially from the thyroid cartilage, inserts into the arytenoid cartilage, and functions to relax and shorten the vocal cords by drawing the arytenoid cartilage forward and to narrow the rima glottidis by rotating the arytenoid cartilage inward causing the vocal cords to approach each other.
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thyroarytenoid muscle
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Source Word
thyroarytenoid muscle
Noun
(anatomy)
A
broad,
thin
muscle
that
arises
especially
from
the
thyroid
cartilage,
inserts
into
the
arytenoid
cartilage,
and
functions
to
relax
and
shorten
the
vocal
cords
by
drawing
the
arytenoid
cartilage
forward
and
to
narrow
the
rima
glottidis
by
rotating
the
arytenoid
cartilage
inward
causing
the
vocal
cords
to
approach
each
other.
Japanese Meaning
甲状軟骨から起始し、会厭軟骨（または輪状軟骨）に付着する広く薄い筋肉。声帯を緩和・短縮し、会厭軟骨を前方に引いて声帯を近づけ、声門隙を狭める働きを持つ。
Sense（1）
(anatomy)
A
broad,
thin
muscle
that
arises
especially
from
the
thyroid
cartilage,
inserts
into
the
arytenoid
cartilage,
and
functions
to
relax
and
shorten
the
vocal
cords
by
drawing
the
arytenoid
cartilage
forward
and
to
narrow
the
rima
glottidis
by
rotating
the
arytenoid
cartilage
inward
causing
the
vocal
cords
to
approach
each
other.
（ plural ）
