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鳕科和鼠尾鳕科的比较摄食机制。II. 摄食行为的力学原理。

The comparative feeding mechanism of Gadidae and Macrouridae. II. Mechanics of the feeding action.

作者信息

Casinos A

出版信息

Gegenbaurs Morphol Jahrb. 1981;127(2):246-62.

PMID:7250659
Abstract

Several aspects of the mechanics of the feeding action from some Gadid and Macrourid species have been studied. From 3 Gadid species (G. callarias, P. virens, M. tricirrata) fails of pressures during feeding have been recorded. Calculations based on the dimensions and architecture of the muscles of the different biomechanical units have been made. It seems that the most of them have to exert their maximum isometric forces to compensate the moments due to the actions of the fails of pressures against the different orobranchial cavity walls. For the Macrourid species, a estimate of the fail of pressure is made supposing a similar moments equilibrium to that of Gadids.

摘要

已经对一些鳕科和鼠尾鳕科物种摄食动作的力学的几个方面进行了研究。从3种鳕科物种(细身鳕、绿青鳕、三鳍鳕)记录了摄食过程中的压力失败情况。基于不同生物力学单元肌肉的尺寸和结构进行了计算。似乎它们中的大多数必须施加最大等长力,以补偿由于压力失败作用于不同口咽腔壁而产生的力矩。对于鼠尾鳕科物种,假设与鳕科有相似的力矩平衡,对压力失败进行了估计。

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