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妊娠     
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  pregnancy
    Expression and Regulation of PPARδ Gene in Rat and Mouse Uterus During Early Pregnancy
    PPARδ在大鼠和小鼠早期妊娠子宫中的表达与调节
短句来源
    Study of Prenatal Diagnosis on First Trimester of Pregnancy Six Enzymes Determination for Chorionic Villi Samples
    妊娠早期产前诊断的研究——绒毛六种酶的测定
短句来源
    Study of Prenatal Diagnosis on First Trimester of Pregnancy: Chromosome Investi-gation of the Chorionic Villi Cell Grown in the Medium Containing FdU
    妊娠早期产前诊断的研究——在含FdU培养基中生长的绒毛细胞
短句来源
    Uterine spiral arteries in the human placental bed of prolonged pregnancy
    过期妊娠人胎盘床的子宫螺旋动脉
短句来源
    Alterration in Estrogen Receptors in the Mouse Uterus During the Estrous Cycle and the Early Pregnancy (Day 1- 6)
    小白鼠动情周期及妊娠早期(1~6天)子宫雌激素受体含量的变化
短句来源
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  gestation
    Sex proportions of female and male mice was 1∶0.98.Gestation rate of female mice was 94.32%.
    雌鼠妊娠率94.32%,平均胎鼠数为7.67个。
短句来源
    Study of uterine natural killer cells in C57Bl/6J mice at early-mid gestation stage
    C57Bl/6J小鼠妊娠早-中期子宫自然杀伤细胞研究
短句来源
    Changes of the ependymal ultrastructure of the lateral recess of the fourth ventricle in mice during gestation and lactation period
    妊娠期及哺乳期小鼠第四脑室外侧隐窝室管膜超微结构的改变
短句来源
    1.Regulation of SGK by Corticotropin-Releasing Hormone in Hippocampal Neurons and Its Mechanisms 2.Effect of Glucocorticoid Exposure in Late Gestation on Expression of CRHR and SGK in Offspring's Hippocampus
    1.促肾上腺皮质激素释放激素对海马神经元SGK表达的调节及机制 2.妊娠晚期糖皮质激素对子代海马CRHR和SGK表达的调节作用
短句来源
    Results:There was a significant increase in the height of fetal oviductal epithelial cells and in the percentage of ciliated cells at 18-20 weeks and 30~32 weeks of gestation.
    结果:胎儿输卵管上皮细胞高度、纤毛细胞百分数在妊娠18~20周和30~32周出现明显增高和增大.
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  pregnancy women
    Results (1) The IFN γmRNA decreased [(24.68±5.55)%, P <0.05], while the IL 10 mRNA rose [(20.72±5.36)%, P <0.01] in normal pregnancy women compared with the non pregnancy control [IFN γ(30.76±5.35)%, IL 10 (13.58±3.91)%].
    结果  (1)白细胞介素 10 :正常未妊娠妇女为 (13.5 8± 3.91) % ,正常早期妊娠妇女为 (18.6 1± 5 .43) % ,正常晚期妊娠妇女为 (2 0 .72± 5 .36 ) % ,习惯性流产妇女为 (9.48± 2 .84) % ,后者明显低于前 3者 (P <0 .0 5 )。
短句来源
  preg nancy
    Expression and Regulation of PPARδ Gene in Rat and Mouse Uterus During Early Pregnancy
    PPARδ在大鼠和小鼠早期妊娠子宫中的表达与调节
短句来源
    Study of Prenatal Diagnosis on First Trimester of Pregnancy Six Enzymes Determination for Chorionic Villi Samples
    妊娠早期产前诊断的研究——绒毛六种酶的测定
短句来源
    Study of Prenatal Diagnosis on First Trimester of Pregnancy: Chromosome Investi-gation of the Chorionic Villi Cell Grown in the Medium Containing FdU
    妊娠早期产前诊断的研究——在含FdU培养基中生长的绒毛细胞
短句来源
    Uterine spiral arteries in the human placental bed of prolonged pregnancy
    过期妊娠人胎盘床的子宫螺旋动脉
短句来源
    Alterration in Estrogen Receptors in the Mouse Uterus During the Estrous Cycle and the Early Pregnancy (Day 1- 6)
    小白鼠动情周期及妊娠早期(1~6天)子宫雌激素受体含量的变化
短句来源
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  pregnancy
Reverse transcription-polymerase chain reaction (RT-PCR) was undertaken to examine the concentration of HGF mRNA and Fas mRNA obtained from 34 cases of HDCP and 30 cases of uncomplicated pregnancy.
      
Morphofunctional State of Epiphysis in Relatively Wild and Domesticated Silver-Black Foxes during Pregnancy
      
Morphological indices of changes in the epiphysis activity during pregnancy are analyzed in relatively wild and domesticated silver-black foxes.
      
The diameter of light actively functioning nuclei of pinealocytes increased most significantly and reliably in the end of pregnancy and, at the same time, the area of their surface decreased.
      
Unlike other stages of ontogenesis, the degree and dynamics of epiphysis activity during the period of pregnancy were similar in animals of both groups.
      
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  gestation
AFP expression appears in fetal hepatocytes at four weeks' gestation.
      
It peaks at 16-24 weeks' gestation and decreases gradually afterwards.
      
Fetal hepatocytes at 4-16 weeks' gestation are mainly constituted by HSCs characterized with bi-potential differentiation capacity.
      
At 16 weeks' gestation, most hepatic cord cells begin to differentiate into hepatocytes and abundant HSCs remain in ductal plate (the origin site of Hering canals).
      
The survival rate, physical development, and spontaneous behavior has been evaluated in pups of albino rats exposed to acute hypobaric hypoxia on the 9-10th day of gestation corresponding to the onset of organogenesis.
      
更多          
  pregnancy women
Immunohistochemistry ABC was used to detect the expression and distribution of TGF-β1 in placental tissues in 40 PIH women and 20 normal pregnancy women.
      
Codes from Z14 are most often for use for pregnancy women who may pass on an hereditary condition to a fetus.
      
During pregnancy women are dependent upon their partners, family members and healthcare providers for support.
      
Similarly, healthy pregnancy women were all negative for TSAb in these cell lines.
      
To identify and treat in early pregnancy women who have syphilis.
      
更多          
  preg nancy
Addi tional eld trials are needed verify the preg nancy and live birth rates of IVF-derived em bryos produced from this new sexed semen.
      
A forty-eight years old female, with previous lose of preg nancy in the first trimester and superficial venous thrombosis of lower left limb.
      
A healthy lifestyle and folic acid sup plementation is recommended before attempting another preg nancy.
      
An electron micrograph of the apical portion of a uterine luminal epithelial cell on Day 5 of preg nancy.
      
As the preg nancy continues, the mercury levels in umbilical cord blood will eventually surpass their levels in the mother's blood.
      
更多          
  其他


A new species sandflea collected from rodents of Yunnan is here described as, Tunga callida sp.nov. Both females and a male were found. This species differs from the previous Chinese sandflea,T. caecigena J. et R., in the following respects: 1. There are only 3-5 occipital bristles instead of 8-10 in T. caecigena. 2. The maxillary lacinia of the new species is 1.5 times the length of maxillary palp, whilethose of T. caecigena are about equal in length. 3. The manubrium of the male clasper is twice as long as...

A new species sandflea collected from rodents of Yunnan is here described as, Tunga callida sp.nov. Both females and a male were found. This species differs from the previous Chinese sandflea,T. caecigena J. et R., in the following respects: 1. There are only 3-5 occipital bristles instead of 8-10 in T. caecigena. 2. The maxillary lacinia of the new species is 1.5 times the length of maxillary palp, whilethose of T. caecigena are about equal in length. 3. The manubrium of the male clasper is twice as long as its movable finger and those of T.caecigena are equal in length. 4. Generally there is only 1 bristle on the metepimeron in females, but the other species hastwo. 5. The shape of the gravid females is spherical, it swells much more on the dorsal side thanon the ventral, and the segments posterior to the 5th are elevated to form a characteristic button-likeanal projection. In T.caecigena the shape is ellipitical with dorsal and ventral portions of body ofsimilar dilatation and the posterior segments of the abdomen form an anal cone of which the lengthand width of the projection are equal. 6. The females were localized at the rear end of the body of host, especially around the anus,while T. caecigena was found on the edge of ears. The main hosts of T. callida are Rattus norvegicus, R. flavipectus and R. sladent. But it may para-sitize Mus bactrianus, Apodemus agrarius che?rieri and Eothenomys sp. Rats may be infested with as manyas 45 females, but 81 out of 100 animals with on1y 1-10 fleas. These fleas were collected during themonths from November, 1951 through March, 1952 which might be at the peak of its seasonaloccurrence. Sandfleas sent from Wu Tung Chiao, Szechuan have been identified as Tunga caecigena. Thisis the first inland record of its occurrence.

1.本文描述了在云南弥渡、大理、昆明发现的新种潜蚤,订名为后潜蚤Tunga cal-lida sp.nov.并且还获有雄性标本1个。 2.本种和我国已有的盲潜蚤(T.caecigena)不同之处即在: (1)后头鬃只有3—5个,少于盲潜蚤的8—10个。 (2)下颚内叶长于下颚鬃,为其1.5倍,盲潜蚤的二者约同长。 (3)雄性柄状突为可动指长之倍。盲潜蚤的二者同长。 (4)雌性后胸后侧板鬃一般为1个,盲潜蚤者为2个。 (5)妊娠雌性外形为正圆形,背面突出较腹面为多,腹部第5节从后成钮扣状;盲潜蚤的外形为卵圆形,前端大,后端渐小,第5节以后呈长宽相等的锥形。 (6)寄生部位以宿主的身体后端为主,尤以肛门周围为最多;盲潜蚤则以耳翼边缘为主。 3.后潜蚤的主要宿主是沟鼠(Rattus norvegicus),黄胸鼠(R.flavipectus)和斯氏家鼠(R.sladeni),另外也寄生于长尾鼷鼠(Mus bactrianus),薛氏姬鼠(Apodemus agrariuschevrieri)和绒鼠(Eothenomys sp.)。 4.后潜蚤在每一宿主上可能多至45个,但以1—10个者为最常见(100例...

1.本文描述了在云南弥渡、大理、昆明发现的新种潜蚤,订名为后潜蚤Tunga cal-lida sp.nov.并且还获有雄性标本1个。 2.本种和我国已有的盲潜蚤(T.caecigena)不同之处即在: (1)后头鬃只有3—5个,少于盲潜蚤的8—10个。 (2)下颚内叶长于下颚鬃,为其1.5倍,盲潜蚤的二者约同长。 (3)雄性柄状突为可动指长之倍。盲潜蚤的二者同长。 (4)雌性后胸后侧板鬃一般为1个,盲潜蚤者为2个。 (5)妊娠雌性外形为正圆形,背面突出较腹面为多,腹部第5节从后成钮扣状;盲潜蚤的外形为卵圆形,前端大,后端渐小,第5节以后呈长宽相等的锥形。 (6)寄生部位以宿主的身体后端为主,尤以肛门周围为最多;盲潜蚤则以耳翼边缘为主。 3.后潜蚤的主要宿主是沟鼠(Rattus norvegicus),黄胸鼠(R.flavipectus)和斯氏家鼠(R.sladeni),另外也寄生于长尾鼷鼠(Mus bactrianus),薛氏姬鼠(Apodemus agrariuschevrieri)和绒鼠(Eothenomys sp.)。 4.后潜蚤在每一宿主上可能多至45个,但以1—10个者为最常见(100例中有81例)。 5.我们采集的时间是1951年11月至1952年3月,因此可能它和盲潜蚤有相同的季节性。 6.四川五通桥市寄来潜蚤标本经鉴定为盲潜蚤,因此盲潜蚤的分布范围有进一步了解的必要。 7.1956年2—3月自贵阳的黄胸鼠和沟鼠体上获得后潜蚤,由于各仅

The oestrogens in the urine of 13 early pregnant and 6 non-pregnant sows were determined by the method of Brown (1955). For the full course of the pregnancy, the determination of the oestrogens was likewise made from 3 sows at weekly intervals.It was found that the concentration of the oestrogens during the course of pregnancy shows two high levels. The first one appears at 25th to 30th day of pregnancy and the second one begins from 11th week and it reaches the maximum concentration at the time just before...

The oestrogens in the urine of 13 early pregnant and 6 non-pregnant sows were determined by the method of Brown (1955). For the full course of the pregnancy, the determination of the oestrogens was likewise made from 3 sows at weekly intervals.It was found that the concentration of the oestrogens during the course of pregnancy shows two high levels. The first one appears at 25th to 30th day of pregnancy and the second one begins from 11th week and it reaches the maximum concentration at the time just before the parturition. The earliest diagnosis for pregnancy can be possibly made as indicated by raising in the concentration of oestrogens at the third week of pregnancy. Among them, the oestrone is predominant and the oestradiol and oestriol practically remain unchanged.This finding may be used as an early pregnancy diagnostic index in the sow.

用Brown氏化学方法测定了三头孕猪整个妊娠期间,尿液中的雌酮,雌二醇和雌三醇的排出情况.每周测定一次.同时测定并比较了13头早期妊娠母猪(25~30天)和6头未孕母猪雌性激素的排出量.结果说明:在整个妊娠期间出现二次排出高峰,笫一次在25~30天,第二次开始于交配后第11周,临分娩前达最高峰,均以雌酮为主.而雌二醇、雌三醇的排出量,始终恒定在低水平.本文对孕猪雌性激素的代谢类型、雌二醇、雌三醇的纯洁度以及品种差异等问题分别进行了讨论.并且认为利用孕猪交配后第25-30天尿中雌酮含量作为母猪早期妊娠诊断依据,则本测定方法,确有专一性,可靠性,但鉴于目前的条件,在生产实践中推广应用,尚须研究简化.

The regulation of luteal enzymatic activities, △5-3β-hydroxysteroid dehydrogenase (3β-OH-SDH) and acid phosphatose, by prostaglandin F2α, (PGF2α) and luteinizing hormone (LH) in corpora lutea of the pregnant rats has been investigated by histo-chemical methods. Extensive 3β-OH-SDH activity was shown in the corpora lutea of the pregnant rats (figs. 1 & 2). Termination of pregnancy accompanied by a decrease of 3β-OH-SDH activity was observed when PGF2α was administered on Day 9 of pregnancy at a dose of 500 μg...

The regulation of luteal enzymatic activities, △5-3β-hydroxysteroid dehydrogenase (3β-OH-SDH) and acid phosphatose, by prostaglandin F2α, (PGF2α) and luteinizing hormone (LH) in corpora lutea of the pregnant rats has been investigated by histo-chemical methods. Extensive 3β-OH-SDH activity was shown in the corpora lutea of the pregnant rats (figs. 1 & 2). Termination of pregnancy accompanied by a decrease of 3β-OH-SDH activity was observed when PGF2α was administered on Day 9 of pregnancy at a dose of 500 μg twice daily for three consecutive days (figs. 3, 4 & 9D), A similar decrease in enzymatic activity was noted in hypophysectomised-pregnant rats (hypophysectomy was carried out on Day 9 of pregnancy; fig. 7). Administration of LH (potency: 1200 i.u./mg; 50 μg twice daily for 3 days), on the other hand, not only resulted in the maintenanee of pregnancy in hypophysectomised rats but also restored tie enzymatic activity to an elevated level comparable to that observed in the control rats (figs.9B & 8). Simultaneous administration of PGF2α and LH resulted in partial maintenance of pregnany as evidenced by the presence of viable but somewhat smaller embryos in the uterus (fig. 9C). An antagonism between PGF2α and LH at the ovarian level was, therefore, demonstrated. The assumption of a direct effect of PGF2α on 3β-OH-SDH seems unlikely, since PGF2α has been shown to act also on cholesterol ester synthetase as well as cholesterol esterase in the corpora lutea of rats (Behrman et al, 1971).The luteal cells of mid-pregnacy (Day 12) exhibits almost no detectable acid phosphatase activity (fig. 5). PGF2α treatments, however, produced a rise in enzymatic activity as observed in the corpora lutea during involution or after hypophysectomy (fig. 6). Since acid phosphatase is well documented as one of the important hydrolases in lysosomes and has often been used to characterize these intracellular bodies, a hypothesis is, therefore, advanced that lysosome may play a key role in hormonal regulation of luteal function. According to the Law of Unity of Opposites, it is suggested that both PGF2α, and LH may regulate the luteal function by acting, either directly or indirectly, on the lysosomal membrane in an opposite way: one exerts an altering and the other, a stabilizing effect on the membrane permeability of lysosomes in the luteal cells. Evidences to sustain such a hypothesis have been presented and discussed.

本研究用组织化学方法着重探讨PGF_(2α)对孕鼠黄体中3β-OH-脱氢酶和酸性磷酸酶活性的影响,并讨论了垂体因素(LH)与黄体酶活性变化和PGF_(2α)的关系。 实验都系妊娠第9天的大鼠;分为五组:(1)PGF_(2α)处理组;(2)对照组;(3)摘除垂 体组;(4)摘除垂体后立即注射外源LH组;(5)摘除垂体后同时注射LH和PGF_(2α)组。五组均在第十二天取材,新鲜冰冻切片,组织化学方法显色。 实验证明,PGF_(2α)与黄体的3β-OH-脱氢酶和酸性磷酸酶都有密切关系,它有抑制前者和激活后者活性的能力,而LH能维持和增强3β—OH—脱氢酶的活性,根据摘除垂体同时注射LH和PGF_(2α)的实验揭示,PGF_(2α)在一定程度上与LH有拮抗作用。因此,认为PGF_(2α)的作用部位在卵巢一级而不通过垂体。实验结果还表明孕鼠经PGF_(2α)处理后,酸性磷酸酶活性比对照组酶活性有显著的增强,由于细胞解体与溶酶体膜的通透性改变和它所释放的水解酶,特别是酸性磷酸酶有密切的关系,而酸性磷酸酶活性变化又与激素有关,因此作者们认为溶酶体在激素调节黄体功能中起着重要的作用,改变或稳定溶酶体膜透性会产生...

本研究用组织化学方法着重探讨PGF_(2α)对孕鼠黄体中3β-OH-脱氢酶和酸性磷酸酶活性的影响,并讨论了垂体因素(LH)与黄体酶活性变化和PGF_(2α)的关系。 实验都系妊娠第9天的大鼠;分为五组:(1)PGF_(2α)处理组;(2)对照组;(3)摘除垂 体组;(4)摘除垂体后立即注射外源LH组;(5)摘除垂体后同时注射LH和PGF_(2α)组。五组均在第十二天取材,新鲜冰冻切片,组织化学方法显色。 实验证明,PGF_(2α)与黄体的3β-OH-脱氢酶和酸性磷酸酶都有密切关系,它有抑制前者和激活后者活性的能力,而LH能维持和增强3β—OH—脱氢酶的活性,根据摘除垂体同时注射LH和PGF_(2α)的实验揭示,PGF_(2α)在一定程度上与LH有拮抗作用。因此,认为PGF_(2α)的作用部位在卵巢一级而不通过垂体。实验结果还表明孕鼠经PGF_(2α)处理后,酸性磷酸酶活性比对照组酶活性有显著的增强,由于细胞解体与溶酶体膜的通透性改变和它所释放的水解酶,特别是酸性磷酸酶有密切的关系,而酸性磷酸酶活性变化又与激素有关,因此作者们认为溶酶体在激素调节黄体功能中起着重要的作用,改变或稳定溶酶体膜透性会产生不同的生理效应。因此,认为LH的维持黄体和PGF_(2α)的黄体解体作用都可能是通过对溶酶体的调节控制途径而完成的,PGF_(2α)对3β—OH—脱氢酶的影响是非

 
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