MOSAIC OF NERVE-CELLS IN MAMMALIAN RETINA
MOSAIC OF NERVE-CELLS IN MAMMALIAN RETINA
复制标题
DOI：
10.1098/rspb.1978.0026
复制
发表时间：
1978-01-01
期刊：
影响因子：
--
通讯作者：
RIEMANN, HJ
中科院分区：
文献类型：
--
作者：
WASSLE, H;RIEMANN, HJ
测试视网膜三个不同层的细胞的规则水平排列或随机分布。猴视锥细胞、猫视锥细胞、猫A型水平细胞和猫α神经节细胞均呈规则马赛克排列。这是通过测量到每个细胞最近邻的距离来评估的。最近邻分布与随机点模式的最近邻分布差异显著。嵌合体的精度依次为猴视锥、猫视锥、猫A型水平细胞、猫α-神经节细胞。所有四种细胞类型--与密度无关--在视网膜中心的排列比在周边的排列更规则。与随机分布和机制，可以产生一个规则的马赛克规则的安排相比，一个规则的优势进行了讨论。
Cells from three different layers of the retina were tested for regular horizontal arrangement or random distribution. Monkey cones, cat cones, cat A-type horizontal cells and cat alpha-ganglion cells are all arranged in a regular mosaic. This was assessed by measuring the distance to the nearest neighbour of each cell. The nearest neighbour distributions differed significantly from those of random dot patterns. The precision of the mosaic decreased in the order monkey cones, cat cones, cat A-type horizontal cells, cat alpha-ganglion cells. All four cell types were - independent of density - more regularly arranged in the centre of the retina than in the periphery. The advantages of a regular arrangement compared with a random distribution and mechanisms which could generate a regular mosaic are discussed.