Last Updated：2025/12/06
(neuroanatomy) A mixed nerve that contains mostly sensory and some parasympathetic fibers, arises in the geniculate ganglion, joins with the deep petrosal nerve at the entrance of the pterygoid canal to form the Vidian nerve, and as part of this nerve sends sensory fibers to the soft palate with some to the Eustachian tube and sends parasympathetic fibers forming the motor root of the pterygopalatine ganglion.
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greater petrosal nerve
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Source Word
greater petrosal nerve
Noun
(neuroanatomy)
A
mixed
nerve
that
contains
mostly
sensory
and
some
parasympathetic
fibers,
arises
in
the
geniculate
ganglion,
joins
with
the
deep
petrosal
nerve
at
the
entrance
of
the
pterygoid
canal
to
form
the
Vidian
nerve,
and
as
part
of
this
nerve
sends
sensory
fibers
to
the
soft
palate
with
some
to
the
Eustachian
tube
and
sends
parasympathetic
fibers
forming
the
motor
root
of
the
pterygopalatine
ganglion.
Japanese Meaning
(神経解剖学) 感覚神経と一部の副交感神経線維からなる混合神経。ジニカル神経節（顔面神経の神経節）で起こり、深岩介神経と翼口管入り口で合流してヴィディアン神経を形成する。ヴィディアン神経の一部として、軟口蓋や耳管への感覚伝達および翼口蓋神経節の運動根を形成する副交感作用を担う。
Sense（1）
(neuroanatomy)
A
mixed
nerve
that
contains
mostly
sensory
and
some
parasympathetic
fibers,
arises
in
the
geniculate
ganglion,
joins
with
the
deep
petrosal
nerve
at
the
entrance
of
the
pterygoid
canal
to
form
the
Vidian
nerve,
and
as
part
of
this
nerve
sends
sensory
fibers
to
the
soft
palate
with
some
to
the
Eustachian
tube
and
sends
parasympathetic
fibers
forming
the
motor
root
of
the
pterygopalatine
ganglion.
（ plural ）
