noun
sucking reflex
Physiological term for the automatic sucking response seen in newborns.
新生児の吸啜反射は、生存に不可欠な原始反射の一つです。
The sucking reflex in newborns is one of the primitive reflexes essential for survival.
Standard kanji spelling for this medical term.
Variant spelling using てつ for 啜, which is not a standard Jōyō kanji.
Compound of 吸 (kyū, 'suck') + 啜 (tetsu, 'sip') + 反射 (hansha, 'reflex').