Last Updated：2025/12/06
(neuroanatomy) A sympathetic nerve that originates in the carotid plexus, passes through the cartilage of the Eustachian tube, joins with the greater petrosal nerve at the entrance of the pterygoid canal to form the Vidian nerve, and as part of this nerve passes through the pterygopalatine ganglion without forming synapses to be distributed to the mucous membranes of the nasal cavity and palate.
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deep petrosal nerve
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Source Word
deep petrosal nerve
Noun
(neuroanatomy)
A
sympathetic
nerve
that
originates
in
the
carotid
plexus,
passes
through
the
cartilage
of
the
Eustachian
tube,
joins
with
the
greater
petrosal
nerve
at
the
entrance
of
the
pterygoid
canal
to
form
the
Vidian
nerve,
and
as
part
of
this
nerve
passes
through
the
pterygopalatine
ganglion
without
forming
synapses
to
be
distributed
to
the
mucous
membranes
of
the
nasal
cavity
and
palate.
Japanese Meaning
頚動脈叢から起こる交感神経で、耳管軟骨を通過し、翼口管入口部で大岩神経と合流してヴィディアン神経を形成する。この神経は、シナプスを形成せずに翼口前頭神経節を通過し、鼻腔や口蓋の粘膜に分布する。
Sense（1）
(neuroanatomy)
A
sympathetic
nerve
that
originates
in
the
carotid
plexus,
passes
through
the
cartilage
of
the
Eustachian
tube,
joins
with
the
greater
petrosal
nerve
at
the
entrance
of
the
pterygoid
canal
to
form
the
Vidian
nerve,
and
as
part
of
this
nerve
passes
through
the
pterygopalatine
ganglion
without
forming
synapses
to
be
distributed
to
the
mucous
membranes
of
the
nasal
cavity
and
palate.
（ plural ）
