查询词典 echinoderms

The coelom formed from a pocketlike outgrowth of the wall of the archenteron, especially in echinoderms and ''.

肠体腔由原肠壁的袋装生长而形成的体腔，尤其存在于棘皮动物和脊索动物中

The coelom formed from a pocketlike outgrowth of the wall of the archenteron, especially in echinoderms and chordates.

肠体腔由原肠壁的袋装生长而形成的体腔，尤其存在于棘皮动物和脊索动物中

The animal's diet consists of a variety of bivalves, snails and echinoderms, as well as other crustaceans such as hermit crabs.

动物的饮食包括各种各样的贝类，蜗牛和棘皮类，如寄居蟹以及其他甲壳动物。

The fourth milestone was in the embryonic stage of development . Vertebrates and echinoderms began to develop differentiated mouth structures from secondary openings off the blastopore ( an initial opening in the embryonic cavity ).

第四个重要事件出现动物的胚胎发育期，脊椎动物和棘皮动物开始在胚孔（即动物早期胚胎原肠的开口）相对的一端另行开口，并最终发育为成体的口。

It may include the remains of bottom-dwelling forms (e.g. ammonites, echinoderms, and pelecypods), and nodules of chert and pyrite.

它可以包括海底形态的残留物（即鹦鹉螺化石、棘皮动物和瓣鳃纲斧足类动物）和燧石和黄铁矿的结节。

From wikipedia: Like other echinoderms the cuke has a type of collagen in its skin capable of excreting or absorbing more water effectively changing from a 'liquid' to a 'solid.

和其他棘皮类动物一样，海参的肌肤内有一种胶原质，能有效排出或者吸收更多水，在液态和固态之间转换。

The planktonic larvae of echinoderms and decapod crustaceans have increased in abundance from 1958 to 2005, and especially since the mid-1980s, as North Sea SST has increased.

棘皮类和甲壳纲的十足类浮游动物的幼体从1958年到2005年一直处于增长状态，尤其是在80年代中期，这是由于北海海水的表面温度增长的缘故。

Primitive echinoderms having five or more feathery arms radiating from a central disk.

原始的棘皮动物，有五只或更多的软臂从中心圆盘放射状伸出。

A perforated platelike structure in most echinoderms that forms the intake for their water-vascular systems .

筛在大多数棘皮动物身上的一个多孔板状的结构，构成它们水管系的进口

Comparative studies of immune functions in echinoderms have demonstrated that there is a complement system in echinoderms that appears to have alternative pathway and lectin pathway but lack classical pathway and terminal pathway.

比较免疫学分析表明，棘皮动物存在脊椎动物补体系统的替代途径和凝集素途径，但未发现经典途径和明确的终端途径。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。