In both Pacific oyster and Zhikong scallop, gonad of triploid animal was observed to development in the developing seasons. While during the gonadial developmental stage since 3 to 6 year-old, gonads of all triploid Pacific abalones fail to develop. Whether there is relation between a-TSP and gonadial development is to be studied.

皺紋盤鮑的三倍體個體性腺基本不發(fā)育亚洲综合图片日，而長牡蠣和櫛孔扇貝的三倍體雖然性腺發(fā)育不良肏屄在线观看国内，但可產(chǎn)生成熟的配子并可育亚洲av永久无码天堂网不卡，因此a-TSP與鮑的性腺發(fā)育抑制可能有關(guān)欧美一级免费，但尚有待證實欧美野外打野战A片视频。

The results indicated that (1) the 147Pm, 141Ce and 147Nd had strong adsorptivity in soil, so they were hard to transfer and easily accumulated in soil or sediment;(2) all the organisms (5 aquaties and 4 eatable plants) tested showed apparent 147Pm concentrating capabilities;(3)the residues of 147Pm, 141Ce and 147Nd were unevenly distributed in the animal's viscera and tissues, higher residues were found in bone, marrow, eye, brain, heart, adipose and testis, showing selective accumulation;(4) with intraperitioneal dosing of Nd or Ce 200mg ·kg -1 apparent inhibition to gonadial hormone secretion in mice was found and with 200 and 800mg·-1 of Ce added in feed, the malformation rate of spematozoon showed higher.

綜合研究結(jié)果表明： 14 7Pm、14 1Ce和14 7Nd在土壤中具有強的吸附性黄色网站高潮视频免费观看，而且難以遷移玖玖玖无码视频，易于在土壤和底泥中積累；( 2 )供試的 5種水生生物美女做视频在线播放网站、4種陸生食用植物對14 7Pm均具有明顯的富集性日本黄色视频日本黄色视频；( 3) 14 7Pm、14 1Ce欧美一级免费看黄片视频、14 7Nd在動物體內(nèi)臟器和組織間呈不均勻分布jiZZZ3，在骨骼、骨髓黄色视频看片、眼色哟哟AV在线播放、大腦、心臟www.czzssj.com、脂肪和睪丸中殘留量較高国产精品无码AV片，表現(xiàn)了明顯的選擇性蓄積；( 4 )一次性腹腔注射2 0 0mg·kg-1的Ce和Nd對小鼠性腺激素的分泌有明顯的抑制作用一级品精品三级片视频，以 2 0 0和80 0mg·-1的Ce隨飼料攝入對雄性小鼠精子畸形率明顯升高亚洲国产女人AAA毛片在线。

Onchidium struma Cuvier; Reproductive system; Gonadial development; Reproductive cycle

中文關(guān)鍵字：瘤背石磺；生殖系統(tǒng)800av凹凸在线观看；性腺發(fā)育女18毛片亚洲一级毛片；生殖周期

Furthermore,MH shortenmolting period and accelerating the gonadial development.This is the major causegiving rise to precocious mature in the cultured chinese mitten crab.Keywords:Eriocheirsinensis Precocious crab Culture Ultrastructure Cell

體內(nèi)高濃度的膽固醇通過抑制眼柄神經(jīng)分泌細胞抑制性神經(jīng)肽激素的合成和釋放，促進Y-器官合成和釋放MH日本强伦奸人妻一区二区，縮短養(yǎng)殖河蟹的蛻皮周期玖玖国产精品视频，加速了河蟹的性腺發(fā)育，造成養(yǎng)殖河蟹性早熟印度AV在线网站。

gonadial：生殖腺的

gonadectomy 去勢,去性腺,性腺切除術(shù) | gonadial 生殖腺的 | gonadotrophic 促性腺的

gonadial ridge：生殖腺嵴

fertilized ovum 受精卵 | gonadial ridge 生殖腺嵴 | intestinal villus 腸絨毛