Horripilation and Innate reflex

Horripilation noun - Reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation.

Innate reflex and horripilation are semantically related. In some cases you can use "Innate reflex" instead a noun "Horripilation".

Innate reflex noun - An automatic instinctive unlearned reaction to a stimulus.

Horripilation and innate reflex are semantically related. Sometimes you can replace term "Horripilation" with "Innate reflex", this terms are similar.