查询词典 tectal

Visual responses of 80% tectal cells were reversibly blocked by NMDA antagonist CPP, and those of 20% cells by muscarinic antagonist atropine, suggesting that retinotectal pathway in toads may contain two groups of optic fibers that use glutamate and acetylcholine as transmitters, respectively.

视网膜-顶盖是视觉信息进入脑的第一站，但是对两栖类视网膜-顶盖投射所用递质却长期含混不清；另一方面，峡核是次级视觉中枢，与顶盖间存在着密切的神经联系，虽有实验对峡核-顶盖投射的突触连接性质进行了研究，但却未见峡核-顶盖投射所用递质方面的报道。

Synaptic inputs activated repetitively within 20 ms before spiking of the tectal neuron become potentiated, whereas subthreshold inputs activated within 20 ms after spiking become depressed.

在四叠体突触尖波20ms前连续被激发的突触输入将造成突触电位化，然而在尖波产生的20ms后的小於临界输入将造成突触抑制。

Retinotopic inputs to the optic tectum hae been thoroughly mapped, but now Sato et al. map tectal efferents that project to the premotor reticulospinal system of the hindbrain.

视网膜区域定位输入信号到视顶盖已经得到了充分的定位，现在Sato等人绘制了覆盖层传出神经，它们投射到后脑的网状脊髓系统。

Hydrocephalus was uncommon in brain stem glioma,except those involving the tectal plate and com pressing the midbrain aqueduct.

脑积水不常见，除非肿瘤位于顶盖部位压迫中脑导水管。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐