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pilomotor reflex

/ˌpaɪloʊˈmoʊtər ˈriːflɛks/

翻译: 一种不自主的生理反应,毛囊根部的微小肌肉收缩,使毛发竖立,俗称“鸡皮疙瘩”。由寒冷、恐惧或强烈情绪刺激引起。

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/ˌpaɪloʊˈmoʊtər ˈriːflɛks/C1formalscientific
  • zh一种不自主的生理反应,毛囊根部的微小肌肉收缩,使毛发竖立,俗称“鸡皮疙瘩”。由寒冷、恐惧或强烈情绪刺激引起。

An involuntary physiological response in which tiny muscles at the base of hair follicles contract, causing hairs to stand upright, commonly known as goosebumps or goose pimples. This reflex is triggered by cold temperatures, fear, or strong emotional stimuli.

  1. GoosebumpsC1formal

    The involuntary contraction of small muscles at the base of hair follicles, causing hairs to stand upright, often in response to cold or fear.

    zh立毛反射

    • The pilomotor reflex caused goosebumps on his arms when the cold wind blew.
    • Fear can trigger the pilomotor reflex, making the hair on your neck stand up.
    • The doctor explained that the pilomotor reflex is an evolutionary response.