stratum use层级使用
stratumn.地层;阶层
stratum album profundum深白质层
stratum perichorioideum脉络膜周层, 脉络膜上层
stratum suprapyramidale锥体(细胞)上层, 分子层
stratum papillate corii乳头层
stratum of intellectual知识阶层
stratum papillare cutis乳头层
stratum characteristics地层特征
stratum of Henle nerveum
stratum reticulare cutis真皮网状层
stratum spinosum antigen棘层抗原