性早熟

The least paedomorphic behavior pattern may be that of the basenji , bred in Africa to hunt alongside humans almost on a peer basis; this breed is often described as highly independent, neither needing nor appreciating a great deal of human attention or nurturing, often described as "catlike" in its behavior.

证明狗是从狼快速进化的一个例证是狗是性早熟或幼态持续的。跟大多物种一样，如小狼比起成年狼更偏向群居和比较少的具有支配力；因此，当进行优选时，不管是有意或无意的，最终的结果看来似乎是把这种幼体的特性带入了成年种群中，而非产生一个复杂的独立新行为。对包括人类自身的许多驯养动物皆是如此，人类很多特征与幼倭黑猩猩类似。这种幼态持续选择的结构自然是导致了幼体生理特征的保留。

Using histological staining methods, SABC immunocytochemical technique and electron microscope technique, the difference of the encephalon, the pituitary and the gonad in precocious and unprecocious large yellow croakers are compared.

本文应用组织学、免疫细胞化学及电子显微镜技术对一龄性早熟和未早熟大黄鱼的脑和脑垂体以及性腺进行了比较研究，结果表明： 1。

While for some animals, sexual precocity may be a valuable quantitative character.

人类的性早熟是一种病理状态，而在动物上，性早熟可能是一个在生产上具有价值的数量性状。

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

体内高浓度的胆固醇通过抑制眼柄神经分泌细胞抑制性神经肽激素的合成和释放，促进Y-器官合成和释放MH，缩短养殖河蟹的蜕皮周期，加速了河蟹的性腺发育，造成养殖河蟹性早熟。

OBJECT AND METHODS: The study was made up of 55 girls with idiopathic precocious puberty, age 3.2-9.9(7.55±1.90)years, before the 8-years-old breast had developed 36 patients, age 1.5-7.9(6.07 ± 1.72)years; before the 10-years-old have had menophania 20 cases, age 5.0-9.75 (8.75 ± 1.26) years.

对象及方法：参照&金标准&选择特发性性早熟患儿55例，年龄从3.2～9.9(7.55±1.90)岁；8岁前乳房发育者36例，发育年龄1.5～7.9(6.07±1.72)岁；10岁前月经初潮者20例，初潮年龄5.0～9.75(8.75±1.26)岁。

GnRH-ir fibers distribute in the various brain region from the olfactory bulb to the cerebellum. They are especially abundant in the hypothalamus, the preoptic area and the ventral telecephalon. The immunopositive reaction in precocious fish is evidently stronger than that in unprecocious fish, and there is only very weak reaction in the gonadal undeveloped fish. The differences are most obvious in the hypothalamus, but not in other areas.

性早熟大黄鱼的神经内分泌细胞对GnRH抗血清的免疫阳性反应明显，无论在细胞的数量和免疫强度都比未早熟鱼多和强，在性腺尚未发育的幼鱼脑中仅有弱的免疫阳性，这种差异在下丘脑外侧结节核及视前核处最为明显，在其它GnRH阳性部位则差异不显著。

Objective:To investigate the pattern IGF-Ⅰ and IGFBP-3 concentrations in girl with ICCP at different pubertal.

目的 ：研究特发性中枢性性早熟女孩青春各期血清胰岛素样生长因子-Ⅰ和胰岛素生长因子结合蛋白3 (IGFBP3 )的变化规律。

The results indicated: 1 .There is obvious difference between the gonads of precocious and unprecocious fish: in female, the ovaries of unprecocious fish stay in 141 stage, and are mainly consisted of oogonias and early oocytes; the ovaries of precocious fish have developed into IIIAV stage, most of the oocytes are in the large growth stage.

性早熟与未早熟大黄鱼性腺的发育有显著不同：未早熟鱼卵巢停留在Ⅰ～Ⅱ期，卵巢内主要由卵原细胞和早期卵母细胞所组成；性早熟大黄鱼卵巢已发育至Ⅲ～Ⅳ，卵巢内大多数卵母细胞处于大生长期中期或后期。

Peak luteinizing hormone levels of 5 to 8 IU per liter suggest progressive central precocious puberty.

黄体生成素的峰值达到5-8 IU/l时预示着进展性的中枢性性早熟。

Vaginal smear was taken daily after VO to detect the first day of diestrus (D1) and the first day of proestrous. The normal and model groups were decapitated at the first day of its proestrous.

每天观察大鼠的阴道口开放情况，正常对照组和性早熟对照组阴道口开放后，每日行阴道涂片，观察其性周期的变化，至第一个发情前期处死。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。