Last Updated：2025/12/06
(anatomy) Either of usually two arteries of which one arises from the ophthalmic artery on each side of the optic nerve, passes forward along the optic nerve accompanying the short posterior ciliary arteries, pierces the sclera passing forward on the same side of the eyeball between the sclera and the choroid to the ciliary muscle, and at the junction of the ciliary process and the iris divides into upper and lower branches which anastomose with the branches of the contralateral artery to form a ring of arteries around the iris.
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long posterior ciliary artery
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Source Word
long posterior ciliary artery
Noun
(anatomy)
Either
of
usually
two
arteries
of
which
one
arises
from
the
ophthalmic
artery
on
each
side
of
the
optic
nerve,
passes
forward
along
the
optic
nerve
accompanying
the
short
posterior
ciliary
arteries,
pierces
the
sclera
passing
forward
on
the
same
side
of
the
eyeball
between
the
sclera
and
the
choroid
to
the
ciliary
muscle,
and
at
the
junction
of
the
ciliary
process
and
the
iris
divides
into
upper
and
lower
branches
which
anastomose
with
the
branches
of
the
contralateral
artery
to
form
a
ring
of
arteries
around
the
iris.
Japanese Meaning
眼動脈から分岐し、通常左右各眼に1本存在する動脈で、視神経傍を走行しながら短眼後毛細血管と共に眼球後部で合流し、強膜を貫いて眼球の同側面で毛様筋、脈絡膜および虹彩に血液を供給する動脈。
Sense（1）
(anatomy)
Either
of
usually
two
arteries
of
which
one
arises
from
the
ophthalmic
artery
on
each
side
of
the
optic
nerve,
passes
forward
along
the
optic
nerve
accompanying
the
short
posterior
ciliary
arteries,
pierces
the
sclera
passing
forward
on
the
same
side
of
the
eyeball
between
the
sclera
and
the
choroid
to
the
ciliary
muscle,
and
at
the
junction
of
the
ciliary
process
and
the
iris
divides
into
upper
and
lower
branches
which
anastomose
with
the
branches
of
the
contralateral
artery
to
form
a
ring
of
arteries
around
the
iris.
（ plural ）
