a blood disease characterized by an abnormal multiplication of macrophages
histiocytosis详细解释
his.ti.o.cy.to.sis
n.（名词） 【复数】his.ti.o.cy.to.ses[-sôz] Any of several abnormal conditions characterized by the appearance of histiocytes in the blood or tissues. 组织细胞增多病：血液或组织中组织细胞增多的不正常状况
