Zoospore An asexual motile spore produced by a zoosporangium.
游动
囊产生
无性可自
运动
。
Zoospore An asexual motile spore produced by a zoosporangium.
游动
囊产生
无性可自
运动
。
A small projection at the base of a basidiospore near its attachment to the sterigma.
位于担基部连接担
梗
一种小附属物。
Conidium (conidiospore) (pl.conidia) An asexual spore of certain fungi, especially of the Ascomycota and Fungi Anamorphici e.g.
分生(无性
):某些真菌产生
无性
。
A spore can quickly spread and form a mould.
一个能迅速蔓延并形成霉。
Apospory is found in some mosses and ferns.
无生殖存在于一些苔藓
蕨类植物中。
Protonema (pl. protonemata) The young bryophyte gametophyte that develops following spore germination.
苔藓植物中直接萌发形成
结构称为原丝体。
Sporopore The aerial spore-producing body of certain fungi, e.g. the mushroom of Agaricus.
为苔藓地钱
体世代具有。
受精卵发育而来,包括基
、
蒴。
体是寄生在配
体上
。
The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.
单核期小
出现壁发育不良
巨大及空花粉现象。
Zygospore A resistant sexual spore formed when a zygote develops a thick wall.
接合体在厚厚细胞壁内形成
具有抗性
有性
。
This paper summarized the research advance in the live attenuated vaccine,sporozoite vaccine and DNA vaccine.
综述了减毒活疫苗、疫苗
核酸疫苗
研究进展。
Sori hemispheroid, in 2-3 series on each side along the costules, without indusium.
囊群圆形,沿中脉两侧各排成2-3行,无囊群盖。
The form,size,colour,initial components and sporogenesis time,etc of ovisac were observed and studied.
观察、研究了卵囊形态、大小、颜色、内部构造及
化时间等。
The differentiation of its sporophore is bud—stipe—pileus differentiation—pileus mature—spore scatter.
灵芝实体分化过程,要经过菌芽—菌
—菌盖分化—菌盖成熟—
飞散。
The SEM results demonstrated that the sporoderm was ground and the inclusion of the spores eluted in groups.
扫描电镜结果表明,灵芝经过高速剪切粉碎破壁后,灵芝
壁被打碎,
内含物质呈团状溶出。
The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.
心皮能产生
维管植物(羊齿类)还有具胚珠
裸
植物
大
叶是同源
。
Apomixes is comparable to the conditions of apogamy and apospory, which are seen in many ferns.
在许多蕨类植物中常见无融合生殖包括无配
生殖
无
生殖。
Appropriate dilutions were made on tryptone-glucose-yeast extract-agar (Difco) and incubated at 37 C for 48 hr before counting.
这一方法并不影响对在对照纸带上未封闭计数。
The ovule is bitegminous and tenuinucellate.The archesporial cell locates under the nucellus epidermis, which develops into fuctional megasporocyte.
原细胞位于珠心表皮之下,直接起大
母细胞
功能。
Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
维管植物花粉囊内包围母细胞
富含营养物质
一层结构。
The larger embellum could be used as a secondary screening indicator for identifying aposporous embryo sac in Apluda mutica.
存在发达胚珠附器是水蔗草无
生殖胚囊
特点之一.
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