两侧性 meaning in English

amphilinearity

Calf diphtheria, is characterized by bilateral necrosis of the mucous membrane of the larynx .
犊白喉，以喉粘膜的两侧性坏死为特征。
Fundus examination revealed bilateral foveal retinoschisis and inferior - temporal peripheral retinoschisis
眼底呈两侧性黄斑部网膜分裂及颞侧下部周边网膜分裂。
Background : one in every 500 infants is born with a bilateral congential hearing loss requiring amplification
摘要背景；约有1 / 500之出生婴儿，其具有先天性两侧性听障；必须与以听力辅助器。