A concise historical sketch on the early anatomical understanding of peripheral nerves

In early medical traditions, the nervous system was not merely a subject of anatomical interest, but also a lens through which broader questions about life, sensation, and the soul were explored. Discussions of “nerves” addressed not only anatomical structures, but also vital, emotional, and even spiritual functions. The aim of this concise historical sketch is to revisit how the concept of the nerve evolved throughout the history of anatomy — from its ancient roots to the point at which it entered the increasingly precise anatomical vocabulary during the Renaissance. The concept of the nerve, as we understand it today, emerged gradually — grounded in ancient observations and philosophical reflections, and refined over centuries of anatomical inquiry. While successive corrections and innovations helped move anatomical knowledge toward greater precision, the early outlines of neuroanatomical thinking were already present in antiquity. Although modern terminology and classification systems were introduced much later, the foundations for understanding the structure and function of nerves were laid during the formative periods of medical science. • Historical overview of early concepts of peripheral nerves is presented. • Selected ancient sources shaping neuroanatomical ideas and terminology are referenced. • The role of early scholars in nerve classification and functional studies is outlined.