Microspines in the alimentary canal of arthropoda, onychophora, annelida

Richard J Elzinga
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引用次数: 16

Abstract

The presence and variation of microspines within the foregut and hindgut of the taxa Arthropoda, Onycophora, and Annelida were presented. Microspines appear to be sympleisiomorphic to the Arthropoda sensu stricto. Unispinose microspines constitute the original ancestral condition, and these have been retained and variously modified within the classes to aid in filtering ingested food, food movement through the gut and retain symbionts, and possibly protect the cellular linings of the gut in particulate food eaters.

节肢动物、爪足动物、环节动物消化道中的微棘
本文介绍了节肢动物、爪目动物和环节动物前肠和后肠中微棘的存在及其变异。微棘似乎与节肢动物有单形性。单粒微棘构成了原始的祖先条件,这些微棘在类中被保留并进行了各种修改,以帮助过滤摄入的食物,食物通过肠道运动并保留共生体,并可能保护颗粒食物食者的肠道细胞衬里。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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