heterotopia of bulbar conjunctiva

例句：

1. 1.The patient's brain had a heterotopia of the bulbar conjunctiva.
   患者的脑中有球状突起的脉络膜异形。
2. 2. Heterotopia is a rare condition thatcan cause physical and mental disabilities.
   异形症是一种罕见的状况，可能导致身体和精神残疾。
3. 3. Insome cases, heterotopia may be associated with geneticmutations.
   在某些情况下，异形症可能与基因突变有关。