把は握あく反はん射しゃ

noun

grasp reflex; palmar grasp reflex

Physiological term for the involuntary grasping response in infants when the palm is stimulated.

• 新しん生せい児じの把は握あく反はん射しゃは、手てのひらを刺し激げきすると指ゆびを握にぎる反はん応のうです。

  The grasp reflex in newborns is a response where they curl their fingers when the palm is stimulated.