- 更多网络例句与繁殖囊相关的网络例句 [注:此内容来源于网络,仅供参考]
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Results All of 4 form including vacuolar form, granular form, ameba form and cyst form were found in each culture medium, separately, and main reproductive mode is binary fission, a few of gemmation was exist.
结果在两种培养基中均可见到人芽囊原虫的四种主要形态:空泡型、颗粒型、阿米巴型和包囊型,其繁殖方式以二分裂为主,可见少量出芽生殖。
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When culture condition was changed abruptly from LES medium to RPMI-1640 medium, different reproductive mode including binary fission, ternary fission,multiple fission and gemmation were found after growth retardation of 24 ~ 72 hours. This phenomenon continued less than 24 hours and binary fission remained reproductive mode then.
当从LES培养基突然变为RPMI-1640培养基时,人芽囊原虫出现短时间(48~72h)内生长停滞,随后出现多种形式的繁殖方式,可见较多的二分裂、出芽生殖、三分裂、多分裂、裂体生殖,持续24h后恢复为二分裂为主。
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The sori become enclosed by the growing together of fertile fronds, and the spores are not liberated until the sporocarp decays and ruptures.
随着植物体繁殖器官的同步生长,芽孢囊群逐渐被封闭。直至孢子果腐烂破裂时孢子才能散出。
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To sum up, the use of 30.3 mm square mesh codend will make against sustainable utilization to most fishery resource and biodiversity protection in Northern South China Sea.
总体来说,使用该规格的方目网囊作业不利于南海北部多数种类资源的繁殖、恢复及其可持续利用,不利于海洋生物多样性保护。
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In the early life history, podocyst generation and strobilation which determined the number of medusa ultimately, were two important modes of asexual reproduction.
在早期生活史中,螅状体的足囊繁殖与横裂生殖是大型水母无性繁殖的重要方式,对其成体的数量形成至关重要。
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More than is caused by bacteria invaded into the lacrimal sac, in the lacrimal sac in breeding, suppuration, purulent material to fill the entire sac, not down excretion, only along the lacrimal sac, canalicular upward into the eyes.
眼屎多是由于细菌入侵到泪囊,在泪囊中繁殖、化脓,脓性物填满整个泪囊,无法往下排泄,只有沿着泪囊、泪小管向上排到眼睛里。
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this article be main to used for the chicken non- typical model epidemic disease in Hsin-cheng, the contagion method surname bag, geniality flue, contagion bronchitis, contagion enterogastrtis, breed with breath system comprehensive disease, small virus, foot-and-mouth disease virus, false rabies;The kidney disease of the marine products animal fish disease, the issue of blood openings disease, crazy visit a disease, the terrapin issue of blood bowel way be bad dead, turtle mumps, grass carp bleed far-gone virus the Wen be febrile to prevent°from.
本品主要用于鸡非典型新城疫,传染性法氏囊,温和性流行性感冒,传染性支气管炎,传染性胃肠炎,繁殖与呼吸系统综合症,细小病毒,口蹄疫病毒,伪狂犬病;水产动物鱼病肾脏病,出血性开口病,狂游病,鳖出血性肠道坏死,甲鱼腮腺炎,草鱼出血病等病毒性瘟热病的防止。
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Porcine reproductive and respiratory syndrome virus, the causative agent of PRRS, is a small-enveloped virus containing a single positive-stranded RNA genome. And the virus is genetically, antigenically, and pathogenically heterogenic.
猪繁殖与呼吸综合征病毒是有囊膜的单股正链RNA病毒,依据基因序列分析,将PRRSV划分为两种基因型,即以LV株为代表的欧洲型和以VR2332株为代表的北美洲型。
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A secondary problem is the need for disinfectant/sterilant agents that combine rapid microbicidal activity against common vegetative bacteria, atypical mycobacteria, fungi, nonenveloped hydrophilic viruses, parasitic cysts, and even bacterial endospores, with minimal toxicity for personnel exposed to
第二个问题是对工作人员暴露毒性最小的消毒/灭菌因子的需要,而且具有对一般繁殖体细菌、非典型分枝杆菌、真菌、无包膜亲水性病毒、寄生虫包囊、甚至是细菌芽孢的联合快速杀菌活性。
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A reproductive structure found in ferns comprising a collection of sporangia borne on a cushion of tissue termed the placenta.
囊群:蕨类植物中由着生在被称作胎座的海绵组织上的孢子囊集合而成,是一种繁殖器官。
- 更多网络解释与繁殖囊相关的网络解释 [注:此内容来源于网络,仅供参考]
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autoinfection:自体感染
此外,当孕节在所寄生的宿主肠中被消化而释出虫卵时,亦可孵出六钩蚴,然后钻入肠绒毛发育成似囊尾蚴,再回到肠腔发育为成虫,即在同一宿主肠道内完成其整个生活史,称自体感染(autoinfection)并且可在该宿主肠道内不断繁殖,造成自体内重复感染.
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cyst:胞囊
除上述纵分生殖外,眼虫又能产生细胞壁薄之胞囊(cyst)来繁殖. 胞囊之型式有分裂胞囊、休止胞囊及保护胞囊等. 保护胞囊其内为单细胞,具有较厚壁,分裂胞囊内有多细胞或单细胞,囊壁颇薄,休止胞囊的壁颇厚,细胞尚具鞭毛且可在囊内活动.
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excystation:脱囊
痢疾阿米巴原虫(Entamoeba histolytica)为本病之致病原,其生活史有两个阶段:主司代谢繁殖的活动体(trophozoite;又名营养体)及能耐恶劣环境的囊体(cyst),后者具囊壁,随寄主之排泄物进入环境,经食入后,在下一寄主肠道脱囊(excystation)成为活动体.活动体可侵入组织造成病变,
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fecundity:繁殖力
2、繁殖力(fecundity) 在一个繁殖季节中,水产动物一雌体或一种群雌体产卵的数量. 可分为个体繁殖力(individual fecundity)、种群繁殖力(population fecundity). 3、受精率(fertilization rate) 胚胎发育至高囊胚期时(有的以胚胎尾芽期时计算),
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spermatophore sac:精荚囊
输精管长,曲折一团,管上有贮精囊和前列腺,端部膨大成精荚囊(spermatophore sac),末端为阴茎,雄性生殖孔开口于外套腔. 精荚囊内有极多的精荚. 精子到达精荚囊内,包被一层弹性鞘而形成精荚. 繁殖和个体发育 每年春夏之际,乌贼由深水游向浅水内湾灯产卵,
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sporangiophore:孢囊梗
产生孢子囊的菌丝称孢囊梗(sporangiophore)分声孢子(Canidium)是由菌丝分化并在胞外形成的..菌环:捕虫菌目(Zoopagales)真菌和一些半知菌能产生环或网有性:担子(basidium),由担子菌进行有性繁殖时产生,
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zoosporangium:游动孢子囊
1.无性繁殖(asexual reproduction) 无性繁殖是指营养体不经过核配和减数分裂产生后代个体的繁殖. 它的基本特征是营养繁殖通常直接由菌丝分化产生无性孢子. 常见的无性孢子有三种类型:(1)游动孢子(zoospore):形成于游动孢子囊(zoosporangium)内. 游动孢子囊由菌丝或孢囊梗顶端膨大而成.
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cleistothecium:闭囊壳
分声孢子(Canidium)是由菌丝分化并在胞外形成的..菌环:捕虫菌目(Zoopagales)真菌和一些半知菌能产生环或网有性:担子(basidium),由担子菌进行有性繁殖时产生,双核菌丝顶端膨大形成产生四个外生单倍体担孢子(basidiospore)复杂 闭囊壳(cleistothecium):完全封闭,圆球形,
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polyembryonic proliferation:多胚繁殖
这种变换生殖现象称为多胚繁殖(polyembryonic proliferation). 有些吸虫缺雷蚴期或囊蚴期,而另一些吸虫却具有两代以上的雷蚴期. 吸虫的感染期是尾蚴或囊蚴. 囊蚴被宿主吞食后,后尾蚴脱囊而出,部分吸虫后尾蚴及以尾蚴为感染期的吸虫需移行才能到达适宜发育的定居部位.
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pseudocyst:假包囊
在细胞内可形成多个虫体的集合体,称假包囊(pseudocyst)囊内的个体即滋体或速殖子,为急性期病例的常见形态. 宿主细胞破裂后滋养体散出再侵犯其他组织细胞,如此反复增殖,可致宿主死亡但更多见的情况是宿主产生免疫力,使原虫繁殖减慢,