的细胞体、感杆和轴突较大，它与外周小网膜细胞R_（1～6）相同，其轴突终止在第一视神经节（薄板）；

R_(7a) approximate many features of R_(1-6) cells, which have a larger, cell body, rhabdomere and axon, terminate in the first optic neuropil (lamina).

youdao

的细胞体、感杆和轴突较大，它与外周小网膜细胞R_（1～6）相同，其轴突终止在第一视神经节（薄板）；

R_(7a) approximate many features of R_(1-6) cells, which have a larger, cell body, rhabdomere and axon, terminate in the first optic neuropil (lamina).

youdao