最終更新日：2025/11/21
(biochemistry, pharmacology) A crystalline alkaloid drug C₁₀H₁₅NO obtained from a Chinese ephedra (Ephedra sinica) or synthesized that has the physiological action of epinephrine. It causes constriction of the blood vessels and widening of the bronchial passages and is used in the form of its hydrochloride or sulfate to relieve asthma and hay fever.
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ephedrine
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ephedrine
IPA（発音記号）
名詞
可算名詞
不可算名詞
(biochemistry,
pharmacology)
A
crystalline
alkaloid
drug
C₁₀H₁₅NO
obtained
from
a
Chinese
ephedra
(Ephedra
sinica)
or
synthesized
that
has
the
physiological
action
of
epinephrine.
It
causes
constriction
of
the
blood
vessels
and
widening
of
the
bronchial
passages
and
is
used
in
the
form
of
its
hydrochloride
or
sulfate
to
relieve
asthma
and
hay
fever.
日本語の意味
エフェドリン：結晶性のアルカロイド薬で、化学式 C₁₀H₁₅NO を持つ。中国麻黄（Ephedra sinica）から抽出されるか合成され、アドレナリンに類似した生理作用（血管の収縮および気管支の拡張）を示す。そのため、エフェドリン塩酸塩や硫酸塩の形で、喘息や花粉症の緩和に用いられる。
意味（1）
(biochemistry,
pharmacology)
A
crystalline
alkaloid
drug
C₁₀H₁₅NO
obtained
from
a
Chinese
ephedra
(Ephedra
sinica)
or
synthesized
that
has
the
physiological
action
of
epinephrine.
It
causes
constriction
of
the
blood
vessels
and
widening
of
the
bronchial
passages
and
is
used
in
the
form
of
its
hydrochloride
or
sulfate
to
relieve
asthma
and
hay
fever.
（ plural ）
