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首页> 外文期刊>Indian Journal of Fisheries >Changes in the hypothalamus in relation to testicular cells during growth, maturation and spawning phases in the brackishwater teleost Liza parsia (Hamilton, 1822)
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Changes in the hypothalamus in relation to testicular cells during growth, maturation and spawning phases in the brackishwater teleost Liza parsia (Hamilton, 1822)

机译：在BrackishwaterTroTost Liza Parsia（Hamilton，1822）中生长，成熟和产卵阶段有关睾丸细胞相关睾丸细胞的变化

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摘要

In the present investigation, different cell types in the hypothalamus of the goldspot mullet Liza parsia (Hamilton, 1822) were characterised on the basis of their arrangement, distribution and tinctorial properties. The hypothalamic neurosecretory system of L. parsia is made up of two nuclei rich areas viz., nucleus pre-opticus (NPO), nucleus lateralis tuberis (NLT) and their axonal pathways. The NPO is vertically organised and the cells are arranged in an oblique plane on either side of the third ventricle. The larger cells viz., pars magnocellularis (PMC) are dorsally placed whereas smaller cells, pars parvocellularis (PPC) are placed ventrally to the third ventricle. Fine thread like axons stained with chrome-alum-haematoxylin-phloxine (CAHP) extend from preoptic cells to the close proximity of blood capillaries. Cells of the NLT are paired and situated above the pituitary gland. The cells of NPO and NLT exhibited both quantitative and qualitative variations during different periods of the testicular maturation. During growth and maturation periods, cells of PMC and NLT were characterised by intense staining and dense homogeneous granules along with deposition of neurosecretory materials. During spawning period, slight decrease in staining affinity of the cells of PMC and NLT were recorded. Changes in the testes of L. parsia have been described according to variations in gonadosomatic index (GSI) values and frequency percentages of different male germ cells during growth, maturation and spawning phases.
机译：在本发明的调查中，在金色麦克风Liza Parsia（汉密尔顿，1822年）的丘脑中的不同细胞类型是根据其安排，分布和标志性质的基础特征。 L. Parsia的下丘脑神经愈合系统由两个核富核，核，核心，核左侧Tuberis（NLT）及其轴突途径组成。 NPO是垂直组织的，并且细胞布置在第三心室两侧的倾斜平面中。较大的细胞viz。，将Pars magnocellularis（pmc）背包地放置，而较小的细胞，将parvocellularis（ppc）介入第三脑室。用铬 - 氧化杂毒素 - 氟哌甘酶（CAHP）染色的细螺纹从静脉凋亡细胞延伸到血小毛细血管的紧密接近。 NLT的细胞配对并位于垂体腺上方。 NPO和NLT的细胞在睾丸成熟的不同时期表现出定量和定性变化。在生长和成熟时期期间，PMC和NLT的细胞的特征在于强烈的染色和致密均匀的颗粒以及神经沉积材料的沉积。在产卵期期间，记录PMC和NLT细胞的染色亲和力的轻微降低。根据在生长，成熟和产卵相期间不同雄性生殖细胞的促性腺指数（GSI）值和频率百分比的变化描述了L.Carsia的睾丸的变化。

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