7 The strobila of cestodes consists of a chain of segments (proglottids) budded off from the neck region.

绦虫的节裂区由从颈部出芽的体节链（节片）组成。

The histology of female gonad of Paphia (Paratapes) undulata (Born) was studied with light microscope.

波纹巴非蛤雌性腺中的卵巢由管和输卵管构成。

The testes,ovarium and reproductive tube of adult treeshrew in its morphology and weight have marked seasonal changes.

成年树的睾丸、卵巢和管道的形态及重量有明显的季节性变化。

The larger embellum could be used as a secondary screening indicator for identifying aposporous embryo sac in Apluda mutica.

存在发达的胚珠附是水蔗草无胚囊的特点之一.

Like all Cestoid's each individual has male and female reproductive structures in its proglottid and can reproduce independently.

像所有的绦虫一样，每一条寄虫的节片上都有雄性和雌性的结构，能够独立。

By these we obtained many dihaploid flax seeds.The significance of flax apomixis and its value to flax breeding were discussed.

本文阐述了双胚亚麻无融合的意义和在育种中的利用价值。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被植物粉管中的细胞（应为雄原核译者注）分裂成两个配的核。

Fragments of the thallus containing both phycobiont and mycobiont cells may also grow into new lichens, a from of asexual reproduction.

地衣的碎裂片中，如含有藻类和真菌共时，也可长成独立植株，这是一种无性的形式。

But in the end there is only so much to be learned about fumbling priapic landlords and the stale smell of liquor.

不过，作品结尾关于笨手笨脚、崇拜的房东以及酒精散发出的难闻气味的描写，倒是让人思索良久。

Method Seven cases of MPMT of the female genital tract were studied by clinicopathology in combination with the review of the literature.

方法回顾分析7例女性系统MPMT的临床病理资料并复习文献。

The results provided the detail,cytological evidence that organelles in the microgametophyte are incapable of genetic transmission in the two species of Lilium.

在本研究中同时对上述百合属的种的细胞中线粒体的动态进行了观察，为线粒体的母系遗传补充了细胞学证据。

Some forms of infanticide in ancient societies, present-day reprogenetics, preemptive abortions and designer babies have been (sometimes controversially) referred to as eugenic.

古代社会的某些杀婴行为、当今的遗传学、抢先堕胎和由设计者设计婴儿这些（有时是有争议的）行动都被称为优。

4 Turbellarians are monoecious with the reproductive systems adapted for internal fertilization. And the monogenetic flukes (class Monogenea) are mostly ectoparasites of fishes.

涡虫是雌雄同体的，系统适于体内受精。单起源的吸虫（单纲）大多是鱼的外寄虫。

There are rough endoplastic reticula and Golgi complexes in the cells of the androgenic gland, indicating that it seems to secret the proteinoid hormone.

伴随着细胞的成及排放，促雄性腺呈现出规律性的变化。

Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.

摘要同型蕨类的体可经由同配体自交、异配体交配两类配育系统或以无配的方式产，异配体交配又可分为异配体自交和异配体异交两种方式。

Studies in a group of 24 women suggest the gel is nonirritating and does not harm the beneficial bacteria that normally inhabit the genital area.

对一组24名妇女的研究表明，这种凝胶没有刺激反应，也不伤害正常情况下活在部位的有益细菌。

The mutation potential of ethephon was by investigated the micronucleus test of bone marrow polychromatophilic erythroblasts (PCE) cells and sperm shape abnormality test in mice.

摘要为测定乙烯利对人体健康的影响，采用小鼠骨髓细胞微核试验和小鼠精畸形试验分别检测了乙烯利对小鼠体细胞和细胞的致突变性。

When he judges it is safe to do so, he inserts the end of a pedipalp into the female's reproductive opening and discharges the sperm it carries.

当它确定安全时，便将须肢末端插进母蜘蛛的孔中并放出它所携带的精液。

Abstract : It is difficulty to select and breed apomictic germplasm among diploid rices at present, but it has become a hotspot to select and breed apomictic germplasm among polyploid rices.

摘要 ： 目前，在二倍体水平上选育水稻无融和种质的难度较大，而在多倍体水平筛选水稻无融和新种质已成为水稻无融和研究新的长点。