Luis de la Iglesia J A, Lopez-Garcia C
Neurobiología, Biología Celular, Facultad de Ciencias Biológicas, Universidad de Valencia, Spain.
J Comp Neurol. 1997 Sep 8;385(4):565-98. doi: 10.1002/(sici)1096-9861(19970908)385:4<565::aid-cne5>3.0.co;2-1.
The medial cortex of lizards is a three-layered brain region displaying cyto- and chemoarchitectonical, connectional, and ontogenetic characteristics that relate it to the hippocampal fascia dentata of mammals. Three interneuron types located in the cell layer and ten others in the inner plexiform layer (six in the juxtasomatic zone and four in the deep zone) are described in this study. The granuloid neurons, web-axon neurons, and deep-fusiform neurons lay within the cell layer. These neurons were scarce; they were probably gamma-aminobutyric acid (GABA)-, and parvalbumin-immunoreactive and presumably participated in feed forward as well as in feed back inhibition of the principal projection cells of the lizard medial cortex. In the juxtasomatic inner plexiform layer, the smooth vertical neurons, smooth horizontal neurons, small radial neurons, large radial neurons, pyramidal-like radial neurons, and spheroidal neurons were found. They were all probably GABA-, and parvalbumin-immunoreactive and were involved in feed forward inhibition of principal medial cortex cells. In the deep inner plexiform layer lay the giant-multipolar neurons, long-spined polymorphic neurons, periventricular neurons, and alveus-horizontal neurons. These neurons were probably GABA-immunoreactive and either neuropeptide- (somatostatin-neuropeptide Y) or parvalbumin-immunoreactive. They seemed to be involved in feed back or even occasionally in feed forward inhibition phenomena.
蜥蜴的内侧皮质是一个三层脑区，具有细胞和化学结构、连接以及个体发育特征，这些特征使其与哺乳动物的海马齿状回相关。本研究描述了位于细胞层的三种中间神经元类型以及在内侧丛状层中的另外十种（六种在近体细胞区，四种在深部区域）。颗粒状神经元、网状轴突神经元和深部梭形神经元位于细胞层内。这些神经元数量稀少；它们可能是γ-氨基丁酸（GABA）和小白蛋白免疫反应阳性的，大概参与了蜥蜴内侧皮质主要投射细胞的前馈和反馈抑制。在近体细胞内侧丛状层中，发现了平滑垂直神经元、平滑水平神经元、小放射状神经元、大放射状神经元、锥状放射状神经元和球状神经元。它们可能都是GABA和小白蛋白免疫反应阳性的，并参与了内侧皮质主要细胞的前馈抑制。在深部内侧丛状层中分布着巨型多极神经元、长棘多形神经元、室周神经元和海马槽水平神经元。这些神经元可能是GABA免疫反应阳性的，并且要么是神经肽（生长抑素-神经肽Y）免疫反应阳性，要么是小白蛋白免疫反应阳性。它们似乎参与了反馈甚至偶尔参与前馈抑制现象。
