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首页> 美国卫生研究院文献>The Journal of Neuroscience >The histochemical localization of cytochrome oxidase in the retina and lateral geniculate nucleus of the ferret cat and monkey with particular reference to retinal mosaics and ON/OFF-center visual channels
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The histochemical localization of cytochrome oxidase in the retina and lateral geniculate nucleus of the ferret cat and monkey with particular reference to retinal mosaics and ON/OFF-center visual channels

机译：细胞色素氧化酶在白鼬猫和猴的视网膜和外侧膝状核中的组织化学定位特别是涉及视网膜镶嵌和中心开/关的视觉通道

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The histochemical localization of cytochrome oxidase within the normal retina and lateral geniculate nucleus (LGN) of cats, ferrets, and monkeys revealed that distinct layers, types of cells, and portions of neurons are more intensely stained than others. The dark staining of photoreceptor inner segments and cone pedicles and the light staining of photoreceptor outer segments, somata, and rod spherules demonstrates that different segments of the same cell may have disparate but distinct levels of oxidative enzyme activity. In tangential sections of retina, regular mosaic arrays were evident for each of several darkly reactive retinal components, such as cone inner segments, cone pedicles, and horizontal cells. In the cat and ferret, regular mosaic arrays were also formed by metabolically distinguishable populations of ganglion cells. Ia and IIa ganglion cells (OFF-; Nelson, R., E. V. Famiglietti, Jr., and H. Kolb (1978) J. Neurophysiol. 41: 472–483) were more darkly reactive than the other classes. The darker staining of sublamina a of the inner plexiform layer (OFF-; Famiglietti, E. V., Jr., and H. Kolb (1976) Science 194: 193–195) in the cat and ferret retina, as well as sublamina A′ and A1′ of the ferret LGN (OFF-; Stryker, M.P., and K.R. Zahs (1983a) J. Neurosci. 3: 1943–1951) suggest that, under typical rearing conditions, the OFF-channels may be metabolically more active than the ON-channels in these species. In Macaca and Saimiri, darker staining was observed in sublamina b of the inner plexiform layer (ON-; Famiglietti, E.V., Jr., and H. Kolb (1976) Science 194: 193–195) and laminae 1, 2, and 6 of the LGN, implying that, under similar rearing conditions, a different pattern is observed. The dark staining of many large retinal ganglion cells, as well as most of the larger LGN neurons (presumed Y/Y-like), in all species studied is evidence that the Y/Y-like pathway is also highly active.
机译：猫，雪貂和猴子的正常视网膜和外侧膝状核（LGN）中细胞色素氧化酶的组织化学定位显示，与其他相比，不同层，细胞类型和部分神经元染色更强烈。感光器内部节段和锥状蒂的深色染色以及感光器外部节段，躯体和杆状小球的亮色染色表明同一细胞的不同节段可能具有不同但不同的氧化酶活性水平。在视网膜的切向区域中，对于几个暗反应性视网膜成分（例如视锥内部节段，视锥椎弓根和水平细胞）中的每一个而言，规则的镶嵌阵列都很明显。在猫和雪貂中，新陈代谢的神经节细胞群也形成规则的镶嵌阵列。 Ia和IIa神经节细胞（OFF-; Nelson，R.，E. V. Famiglietti，Jr.和H. Kolb（1978）J. Neurophysiol。41：472-483）比其他类别的细胞反应暗。在猫和雪貂视网膜中，内侧丛状层的亚层a较暗（OFF-； Famiglietti，EV，Jr。和H. Kolb（1976）Science 194：193–195）。雪貂LGN的A1'（OFF-; Stryker，MP和KR Zahs（1983a）J. Neurosci。3：1943-1951）表明，在典型的饲养条件下，OFF通道的代谢活性可能比ON通道高。这些物种的通道。在Macaca和Saimiri，在内部丛状层的亚层b中观察到较深的染色（ON-； Famiglietti，EV，Jr。和H. Kolb（1976）Science 194：193-195）和薄片1、2和6在类似的饲养条件下，观察到了不同的模式。在所有研究的物种中，许多大型视网膜神经节细胞以及大多数较大的LGN神经元（假定为Y / Y样）都呈深色染色，这证明了Y / Y样途径也非常活跃。

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