在郑州哪里能买到厦门特产：文昌鱼?。
In Zhengzhou, where can purchase the Xiamen special local product: Lancelet?
文昌鱼是研究进化和比较生物学的重要模式生物。
Amphioxus, a cephalochordate, is an important model for studies of evolution and comparative biology.
此外还对文昌鱼胚胎的冷冻保存进行了初步探索。
And the primary research on cryopreservation of amphioxus embryos was also carried out.
本研究还对文昌鱼胚胎的冷冻保存进行了初步探索。
Finally, the thesis also described a primary research on cryopreservation of amphioxus embryos.
文昌鱼是研究脊椎动物起源与进化十分珍贵的模式动物。
Amphioxus is becoming an emerging model organism for insights into the origin and evolution of vertebrates.
图片：脊椎动物的近亲，一只文昌鱼腐烂过程的几个阶段。
Photo: a lancelet, a close relative of vertebrates, in several stages of decay. credit: University of Leicester.
在进化中，头索动物文昌鱼被认为是接近于脊椎动物的活化石。
In evolution, Amphioxus, a cephalochordate, has been regarded as the living fossil closest to the vertebrates.
文昌鱼的传统分类地位比较特殊，在生物进化中占有重要的地位。
Amphioxus has a special evolutionary status in traditional classification and is important to the study of animal evolution.
根据以上研究结果，本文提出了厦门海域文昌鱼资源的保护建议。
On the basis of these results Suggestions were formulated regarding amphioxus resource protection in the Xiamen sea area.
进化分析的结果显示，文昌鱼的肌动蛋白基因家族可能通过串联重复而发生了扩增。
Phylogenetic analysis suggests the amphioxus actin genes have clearly undergone extensive expansion through tandem duplications.
与鲻鱼甲状腺相比，文昌鱼内柱的结构更为原始，仅是部分区带演变为甲状腺激素分泌细胞，而其余区带仍与摄食相关。
Compared with the thyroid gland of grey mullet, the endostyle of amphioxus is primitive. It is an open groove and has lots of cillia adjacent to the pharynx lumen.
与鲻鱼甲状腺相比，文昌鱼内柱的结构更为原始，仅是部分区带演变为甲状腺激素分泌细胞，而其余区带仍与摄食相关。
Compared with the thyroid gland of grey mullet, the endostyle of amphioxus is primitive. It is an open groove and has lots of cillia adjacent to the pharynx lumen.
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