perikaryon [per-i-kar-ee-on, -uh n] ExamplesWord Origin noun, plural per·i·kar·y·a [per-i-kar-ee-uh] /ˌpɛr ɪˈkær i ə/. Biology.
Origin of perikaryon 1895–1900;+ Greek káryon nut, kernel Examples from the Web for perikaryon Historical Examples of perikaryon
From the base often near its middle arises one large fibre—the axone fibre, which conducts impulses away from the perikaryon.
In some few cells the axone breaks up into branches in the immediate neighbourhood of its own perikaryon in the cortex.
perikaryon in Medicine perikaryon [pĕr′ĭ-kăr′ē-ŏn′, -ən] n. pl. per•i•kar•y•a (-kăr′ē-ə)
- The cytoplasm of a cell, exclusive of its nucleus.
- The cell body of a neuron.
- The body of the odontoblast exclusive of the dentinal fiber.