Last Updated：2025/12/06
(anatomy) A small triangular space beneath the apex of the orbit that is bounded above by the sphenoid bone and the orbital process of the palatine bone, in front by the maxilla, medially by the palatine bone, and behind by the pterygoid process of the sphenoid bone and that contains among other structures the pterygopalatine ganglion.
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pterygopalatine fossa
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Source Word
pterygopalatine fossa
Noun
(anatomy)
A
small
triangular
space
beneath
the
apex
of
the
orbit
that
is
bounded
above
by
the
sphenoid
bone
and
the
orbital
process
of
the
palatine
bone,
in
front
by
the
maxilla,
medially
by
the
palatine
bone,
and
behind
by
the
pterygoid
process
of
the
sphenoid
bone
and
that
contains
among
other
structures
the
pterygopalatine
ganglion.
Japanese Meaning
翼口蓋窩：眼窩の頂部下に位置する小さな三角形空間。上方は蝶形骨と口蓋骨の眼窩突起、前方は上顎骨、内側は口蓋骨、後方は蝶形骨の翼突起により境界付けられ、翼口蓋神経節などの構造が含まれる解剖学的領域。
Sense（1）
(anatomy)
A
small
triangular
space
beneath
the
apex
of
the
orbit
that
is
bounded
above
by
the
sphenoid
bone
and
the
orbital
process
of
the
palatine
bone,
in
front
by
the
maxilla,
medially
by
the
palatine
bone,
and
behind
by
the
pterygoid
process
of
the
sphenoid
bone
and
that
contains
among
other
structures
the
pterygopalatine
ganglion.
（ plural ）
