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- The megasporogenesis arid microsporogenesis as well as the development of male arid female gametophytes of Angelica dahurica were investigated by using the conventional method of paraffin section. 摘要用常规石蜡制片法研究了川白芷大、小孢子发生及雌、雄配子体的发育过程。
- The larger of two types of spores that give rise to a female gametophyte. 大孢子两种孢子中较大的一种,会产生雌性配子体
- The polar and egg nuclei of the female gametophyte are genetically identical. 雌配子体中的极核和卵核遗传上是同一的。
- While in the Angiophyta the female gametophyte is simply the EMBRYO SAC. 被子植物门的雌配子体为简单的胚囊;
- The female gametophyte is reduced, but larger than in angiosperms; it is not autotrophic. 裸子植物的雌配子体简化,但较被子植物体的体积大,不能自养。
- The female gametophyte is represented by the embryosac, the archegonia being absent. 雌性配子体存在于胚囊中,颈卵器缺失。
- MEGASPOROGENESIS AND THE DEVELOPMENTOF THE FEMALE GAMETOPHYTE IN DENDRANTHEMA INDICUM (L.) DES MOUL. 野菊Dendranthema indicum(L.;)Des Moul的大孢子发生和胚囊的发育
- The female gametophyte is reduced, but larger than in angiosperms;it is not autotrophic. 裸子植物的雌配子体简化,但较被子植物体的体积大,不能自养。
- A female gametophyte of the female gametophyte in the sporangium ovule is the heart of the beads. 产生雌配子的雌配子体在大孢子囊即胚珠的珠心处发育。
- The development of the obturator and the micropyle correlates with that of the female gametophyte in P. amurense. 黄檗珠孔塞和珠孔的发育与雌配子体发育存在密切关系。
- Macrospore metrocyte of Pinus sylvestris var. mongolica developed to female gametophyte containing female gamete-egg by a series of changes. 摘要樟子松大孢子母细胞经一系列变化,发育成雌配子体。
- In reproductive-egg, fertilized female gametophyte is generally fixed cells, the structure of sexual organs more complicated. 在卵式生殖中,受精的雌配子一般是不动细胞,性器官的结构也较复杂。
- The present paper firstly reports the development of microsporangium,male gametophyte,megasporogenesis,female gametophyte and embryogeny in Swertia erythrosticta Maxim. 首次报道了红直獐牙菜大小孢子发生、雌雄配子体形成和胚胎发育过程。
- This paper describes megasporogenesis and microsporogenesis as well as male and female gametophyte development of Pittosporum tobira (Thunb.) Ait. by using nomal paraffin method. 摘要利用常规石蜡制片法研究了海桐大、小孢子发生及雌、雄配子体发育的过程。
- The microsporogenesis, magasporogenesis and the development of male gametophyte, female gametophyte of Limonium frantii were observed by means of paraffin wax. 利用常规石蜡制片法研究了紫花补血草的大小孢子发生及雌雄配子体的发育过程。
- Abstract: We did a series of studies on the megasporogenesis and the formation of female gametophyte of Thlaspi arvense L. by means of traditional paraffin-sectioning. 摘要:利用常规石蜡切片技术,对菥蓂的大孢子发生和雌配子体形成过程进行了观察。
- The female dog bore five whelps. 母狗生了五只小狗。
- Who on earth is that female he's with? 跟他在一起的那个女人究竟是谁?
- The male voice is deeper than the female. 男性的嗓音比女性的低沉。
- The male is physically stronger than the female. 男性在身体上要比女性强壮。