Last Updated：2025/12/06
(neuroanatomy) The continuation of the tympanic nerve beyond the inferior ganglion of the glossopharyngeal nerve that passes into the cranial cavity through the petrous part of the temporal bone and out again to terminate in the otic ganglion which it supplies with preganglionic parasympathetic fibers.
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lesser petrosal nerve
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Source Word
lesser petrosal nerve
Noun
(neuroanatomy)
The
continuation
of
the
tympanic
nerve
beyond
the
inferior
ganglion
of
the
glossopharyngeal
nerve
that
passes
into
the
cranial
cavity
through
the
petrous
part
of
the
temporal
bone
and
out
again
to
terminate
in
the
otic
ganglion
which
it
supplies
with
preganglionic
parasympathetic
fibers.
Japanese Meaning
舌咽神経の下神経節を越えた鼓膜神経の延長部で、岩骨部を通って頭蓋内に入り、再び出て耳神経節に到達し、そこに前神経節の副交感線維を供給する神経
Sense（1）
(neuroanatomy)
The
continuation
of
the
tympanic
nerve
beyond
the
inferior
ganglion
of
the
glossopharyngeal
nerve
that
passes
into
the
cranial
cavity
through
the
petrous
part
of
the
temporal
bone
and
out
again
to
terminate
in
the
otic
ganglion
which
it
supplies
with
preganglionic
parasympathetic
fibers.
（ plural ）
