黄斑区脉络膜皱褶提示张力减退。
低水平的铜含量与智力迟钝，皮肤脱色，贫血，张力减退和坏血病有关。
Low levels of copper have been associated with mental retardation, depigmentation, anaemia, hypotonia and scorbutic changes in bone.
低水平的铜含量与智力迟钝，皮肤脱色，贫血，张力减退和坏血病有关。
Low levels of copper have been associated with mental retardation, depigmentation, anaemia, hypotonia and scorbutic changes in bone.
应用推荐