3.13 纹
中药学

        在主根上形成的环状纹理。3.13.1紧皮细纹　tight and fine grains皮质细腻, 肩部环纹清晰紧密。3.13.2环纹　ring-like grains在主体上一圈一圈的环状纹。3.13.3跑纹　grains running down肩部的环纹延伸到主体下部。3.13.4断纹　broken grains环纹不连续    （共 194 字）     [阅读本文] >>