We thought that if the female mice have more aldosterone than the males, they should be more salt-sensitive,” says de Chantemele.
在这项新的研究中,研究人员每天两次给65只雄性大鼠注射纳洛酮,这一剂量被认为是安全的。
In the new study, the researchers gave 65 male rats naloxone twice a day through the nose at a dose considered to be safe in humans.
他们相处得很好除了在繁殖期,当雄性已经知道在争夺雌性杀死对方。
They get along well except at breeding time, when males have been known to kill each other in fights over females.
研究人员研究了孔雀鱼的遗传学,与雌性暗褐色相比,它们的雄性颜色鲜艳。
Researchers studied the genetics of the guppy fish, whose males are brightly coloured compared with the dull brown of females.
雌性达到生殖成熟在20-24个月,雄性在30-34个月。
The female reaches reproductive maturity at 20 to 24 months, and the males at 30 to 34 months(8).
去年,ACIP向可以从Gardasil接种获益的人群添加了雄性,但是没有建议常规免疫。
Last year, the ACIP added males to the population who can benefit from Gardasil vaccination, but stopped short of advising routine immunization.
然而,一旦幼崽出生,雌性就不会容忍雄性进入她的领地,因为在这个阶段,雌性会非常保护幼崽。
Once the cubs are born, females will not tolerate a male in her territory, being very protective of the cubs.
看它们的屁股看:雄性苍蝇的屁股是圆形的,雌性苍蝇的屁股是尖型的。
Look at their ass: the buttocks of the male flies are round, and the ass of the female flies are pointed.
他们还发现,与雌性果蝇相比,雄性果蝇脑肿瘤细胞中的蛋白质表达水平显著升高。
They also found that protein expression levels were significantly elevated in brain tumor cells of male flies compared to female flies.
在繁殖季节,雄性会产生惊人的斑纹:头部、脖子和尾巴变成明亮的橙色,身体变成深蓝色。
In the breeding season, the males develop amazing colourful markings: the head, neck and tail turn bright orange, and the body turns dark blue.
雄性在一生中只能制造几百个这样的细胞。
In a male's entire life he can only make a few hundred such cells.
雄性乳头位于第四肋骨前方或略低于下方;
The nipple in the male is situated in front of the fourth rib or a little below;
在这两个物种中,科学家们认为雄性会同步,这样每个个体都有机会寻找雌性,并让雌性向雄性发出信号。
In both these species, scientists think the males synchronize so everyone has a chance to look for females, and for females to signal males..
雄性有一对关节,所有关节都是卵生的(或者是一些产卵类型),方骨可以是活跃的。
The males have a pair of joints, all of which are oviparous(or some The type of egg birth), the square bone can be active.
用于繁殖的雄性竞争提供了一个非常重要的好处,因为它改善了人群的遗传健康”。
Our research shows that competition among males for reproduction provides a really important benefit, because it improves the genetic health of populations.”.
雄性和雌性小鼠的肝细胞细胞学变异、枯氏细胞色素沉着、胆管增生和亚急性炎症发病率增加的情况也有发现。
In male and female mice, increased incidences of hepatocellular cytologic alteration, Kupffer cell pigmentation, biliary tract hyperplasia, and subacute inflammation were noted.
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