Methods Rabbit conjunctival epithelial tissues were explanted in serum-free system The morphology, gowth, proliferation and differentiation of outgrow cells were compared with those in serum-containing medium.

• 方法分别用含胎牛血清培养液和不含血清培养液进行组织块培养，观察两种培养方法在细胞形态、细胞生长情况和增殖及细胞分化方面的差异。