An Ultrastructural Study of Sperm and Spermiogenesis in Eisenia anderi;
安得爱胜蚓精子及精子形成的超微结构
A Preliminary Study On Spermiogenesis of Limnonectes fujianensis;
福建大头蛙(Limnonectes fujianensis)精子形成的初步研究
Ultrastructure of anterior vesicle and pit of sperm nucleus during spermiogenesis in Janpanese flounder Paralichthys olivaceus
牙鲆精子形成及核前区特殊结构的超微观察
Effect of arsenic (As_2O_3) on sperm production and motility in rats;
三氧化二砷对大鼠精子生成及精子运动能力的影响
ve: To evaluate the effects of chronic cadmium-exposure on sperm production and sperm motili-ty.
目的:了解慢性镉中毒对精子生成量和精子运动能力的影响。
Objective: To explore the effects of arsenic (As 2O 3) of pharmacological concentration on histological structure changes of testis and sperm production in rats.
方法 应用不同剂量的As2 O3(2、 4和 8mg·kg- 1 ·d- 1 )给大鼠腹腔内注射 ,2周后对大鼠进行睾丸组织病理学检查 ,同时检测大鼠血清砷的含量 ,睾丸精子头计数 ,并计算每日精子生成量。
Relationship between concentration of seminal estrogen and spermatogenesis;
精浆中雌激素浓度与精子生成的关系
Cycle of the Seminiferous Epithelium and Stages in Spermatogenesis in dd Mice;
dd-小鼠的生精上皮周期和精子生成阶段
Combined Toxic Effects of DBP and DEHP on Spermatogenesis in Male Rats
邻苯二甲酸二丁酯和邻苯二甲酸二(2-乙基己基)酯联合染毒对雄性大鼠精子生成的影响
The effects of cadmium on spermatogenesis in sea urchin Strongylocentrotus intermedius;
镉对中间球海胆精子发生的影响
Studies of the toxicity of the lead acetic on spermatogenesis of the male mice;
醋酸铅对小鼠精子发生毒性研究
Study of correlation between the expression and activity of HSL and the spermatogenesis of guinea pigs;
HSL的表达和活性与豚鼠精子发生的相关性研究
A Preliminary Study On Spermiogenesis of Limnonectes fujianensis;
福建大头蛙(Limnonectes fujianensis)精子形成的初步研究
MODALITY AND STRUCTURE OF JAPANESE EEL(ANGUILLA JAPONICA)DURING SPERMIOGENESIS
日本鳗鲡精子形成过程中的形态结构特点
And there are essential genes for sperm formation on the Y chromosome.
Y染色体上存在精子形成所必需的基因。
Research on Nuclear Basic Protein During the Process of Sperm Formation in Eriocheir Sinensis;
中华绒螯蟹精子形成过程中核碱性蛋白研究
Ultrastructure of anterior vesicle and pit of sperm nucleus during spermiogenesis in Janpanese flounder Paralichthys olivaceus
牙鲆精子形成及核前区特殊结构的超微观察
Study of The Transgenic Efficiency in Different Spermiogenesis Stages in Mice
小鼠精子形成各阶段转基因效率的研究
A Study of the Effect of Extremely Low Frequency Electromagnetic Fields on Spermatogenesis and Sperm Maturation in Mice and Its Mechanism;
极低频电磁场对小鼠精子形成和成熟的影响及其机理的初步探讨
Spermatogenesis and spermatophore formation of swimming crab(Portunus trituberculatus Miers,1876)in East China Sea
东海三疣梭子蟹精子发生及精荚形成
Formation of a viable zygote by the union of the male sperm and the female ovum; fertilization.
受精通过雄性精子与雌性卵细胞结合而形成受精卵的过程；受精
The union of male and female gametes to form a zygote.
受精卵雄性和雌性配子的结合形成受精卵
formed by reaction between an acid and an alcohol with elimination of water.
一分子酸和一分子酒精反应并除去水后形成。
Antherozoid (spermatozoid) The male gamete of algae, some gymnosperms, and the non-seed-bearing plants.
游动精子：藻类，某些裸子植物和没有种子形成的植物中的雄性配子。
Seed development in most instances commences following fertilization of the ovule.
大多数种子的形成是从胚珠受精开始的。
Effects of spermine and NAA on adventitious root formation in excised cucumber cotyledons
精胺、萘乙酸对离体黄瓜子叶不定根形成的影响
Superamolecular Inclusion Complex Formation and Application of β CD with Neural Red
β-环糊精与中性红超分子包合物的形成与应用
Basic Research on Accurate Forming Technology by the Hybrid Plasma Deposition and Milling;
等离子熔积铣削复合精确成形技术基础研究
Synthesis and Characterization of Novel Star Shaped Macromolecules Based on α-Cyclodextrins Core;
以α-环糊精为核的星形大分子的合成与表征
Reduction of Confucianism through Rectifying of Historical and Contemporary Conditions:A Comment about the Cultural Attitude and Academic Methods of Promotion of Confucian Analects
孔子哲学的精神历史学和知识形态学构成