网站首页  英汉词典

请输入您要查询的英文单词:

 

单词 chelicerate
释义

chelicerate

英汉-汉英词典
adj. 有螯角[肢]的
词组 | 习惯用语
您要查找的是不是:
  • helicopter n. 直升机
  • cholesterol n. 胆固醇
  • accelerate vt. & vi. (使)加快, (使)增速
  • decelerate v. (使)减速
chelicerate 有螯肢的; 与螯肢有关的; 与螯肢相似的; 螯肢动物;

网络短语:
Chelicerate Subphylum 螯肢动物亚门
原声例句
PBS地球-动物趣闻

That's because chelicerates have blood that has a salinity similar to that of sea water.

那是因为螯足动物的血液的盐度与海水的盐度相似。

PBS地球-动物趣闻

And in the seas there are the sea spiders and the primordial-looking horseshoe crabs -- living reminders of the watery origin of the chelicerates and the reign of the sea scorpions.

海洋中有海蜘蛛和长相原始的马蹄蟹——活生生地提醒着螯虾的水源起源和海蝎的统治。

中文百科

螯肢亚门 Chelicerata

(重定向自Chelicerate)
广翅鲎的螫肢。
蜘蛛的螫肢,可以让螫爪完全向外翻。

螫肢亚门(学名:Chelicerata)是一类主要的节肢动物,其下包括鲎、蝎子、蜘蛛及螨。它们可能是于寒武纪演化自海生动物,但最早的螫肢亚门化石只可追溯至4亿4500万年前的奥陶纪晚期。现存的水生物种包括剑尾目的4个物种及约1300种的海蜘蛛。陆地上已确认的螫肢亚门有超过7.7万种,而未经确认的也有50万种。

螫肢亚门像其他节肢动物般身体有节,并由甲壳素及蛋白质组成的表皮覆盖。它们的身体有两个体区,即头胸部及腹部,而螨在这两部份的分隔则不可见。它们口器前有一螫肢。大部份亚类都只会以螫肢来吃食,但蜘蛛螫肢的螫爪则形成了獠牙状,大部份物种更可以从中注入毒素至猎物中。它们的循环系统是开放的,由管状的心脏将血液经血腔输送至身体其他部份。水生螫肢亚门是有鳃的,而其他的则有书肺及气管。螫肢亚门中央神经系统的神经节融合成一团,融合的程度各有不同,如最为古老及原始的中突蛛亚目神经节的融合程度则很有限。大部份螫肢亚门都有刚毛来感应振动、气流及化学转变。最活跃的猎食性蜘蛛有非常锐利的视觉。

英语百科

Chelicerata 螯肢亚门

(重定向自Chelicerate)


 

Trilobitomorpha
A 
L 
L 
L 
L 
L 
L 
Chelicerata
x 
C 
P 
L 
L 
L 
L 
Ci 
Crustacea
A 
A 
Mnd 
Mx 
Mx 
L 
L 
L 
L 
L 
Tracheata
A 
x 
Mnd 
Mx 
Mx 
L 
L 
L 
L 
    = acron 
    = segments included in head 
    = body segments 
x = lost during development 
    = eyes 
    = nephridia 
O = nephridia lost during development 
A = Antenna
L = Leg
C = Chelicera
P = Pedipalp
Ci = Chilarium
Mnd = Mandible
Mx = Maxilla


Formation of head in arthropod subphyla.[2]


 

Trilobitomorpha
A 
L 
L 
L 
L 
L 
L 
Chelicerata
x 
C 
P 
L 
L 
L 
L 
Ci 
Crustacea
A 
A 
Mnd 
Mx 
Mx 
L 
L 
L 
L 
L 
Tracheata
A 
x 
Mnd 
Mx 
Mx 
L 
L 
L 
L 
    = acron 
    = segments included in head 
    = body segments 
x = lost during development 
    = eyes 
    = nephridia 
O = nephridia lost during development 
A = Antenna
L = Leg
C = Chelicera
P = Pedipalp
Ci = Chilarium
Mnd = Mandible
Mx = Maxilla


Formation of head in arthropod subphyla.[2]
 The chelicera of a eurypterid

The subphylum Chelicerata (/kəˌlɪsəˈrtə/ or /kəˌlɪsəˈrɑːtə/; New Latin, from French chélicère, from Greek khēlē "claw, chela" and kéras "horn") constitutes one of the major subdivisions of the phylum Arthropoda. It contains the horseshoe crabs, sea spiders, and arachnids (including scorpions and spiders).

近义、反义、联想词
近义词
adj.
chelicera

联想词
genera种;taxa分类;taxon分类单元;vertebrate脊椎动物;clade分化枝;mammalian哺乳动物;genus类,种;phylogenetic系统发生的,动植物种类史的;homologous相应的;eukaryotic真核状态的;species物种;
随便看

 

英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2024 encnc.com All Rights Reserved
更新时间:2025/6/18 2:27:50