Anatomy and differential growth of the lateral line system of the mottled sculpin, Cottus bairdi (Scorpaeniformes: Cottidae).

Anatomy and differential growth of the lateral line system of the mottled sculpin, Cottus bairdi (Scorpaeniformes: Cottidae).
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斑杜父鱼Cottus bairdi(鲉形目:鲉科)侧线系统的解剖学和差异生长。

DOI:
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发表时间:
1987
期刊:
Brain, Behavior and Evolution
影响因子:
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通讯作者:
C. Platt
C. Platt
中科院分区:
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文献类型:
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作者:
John Janssen;S. Coombs;Dick Hoekstra;C. Platt

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应用扫描电镜和组织学技术对贝迪杜父鱼侧线系统的基本解剖和胚后发育进行了观察。侧线神经乳突在管和皮肤表面的大体解剖和分布与许多原始的辐鳍鱼类相似。管和浅表神经瘤的毛细胞数量和神经瘤的大小显示胚后生长,但管神经瘤生长更长,而浅表神经瘤生长对称。下颌管中的神经瘤生长明显快于任何其他神经瘤,而头部浅层神经瘤的生长量最少。杜父鱼侧线系统的差异增长可能与动物的摄食行为和幼虫和成鱼所暴露的水噪声的环境水平的差异。
Scanning electron microscopy and standard histological techniques were used to describe the basic anatomy and postembryonic growth of the lateral line system of Cottus bairdi. The gross anatomy and distribution of lateral line neuromasts in canals and superficially on the skin are similar to what has been reported for many primitive actinopterygian fishes. Both canal and superficial neuromasts showed postembryonic growth in the number of hair cells and size of neuromasts, but canal neuromasts grew more elongate whereas superficial neuromast grew symmetrically. Neuromasts in the mandibular canal grew significantly faster than any other neuromasts and superficial neuromasts on the head showed the least amount of growth. Differential growth of the sculpin lateral line system may be related to the feeding behavior of the animal and to differences in the ambient levels of water noise to which larval and adult fish are exposed.