outer segment

基本解释

Connecting cilium and accessory outer segment are present in both rods and cones.
视锥和视杆均含有连接纤毛和辅助外段。
The part-rollers are mounted on the segment frame 110 by means of two outer bearings 132, 134 and at least one common intermediate bearing 133.
所述部分导辊通过两个外部轴承（132、134）和至少一个共同的中间轴承（133）支承在所述扇形段框架（110）上。
ip.com
The expression of VIP exists on photoreceptor- outer segment, inner nuclear layer and inner plexiform layer of retina and choroids, and weak expression exists on ganglion cell and nerve fiber layer.
VIP表达主要位于视网膜光感受器外节、内核层、内网状层和脉络膜，神经节细胞层和神经纤维层也有弱表达；