Sensing in the Mouth: A Model for Filiform Papillae as Strain Amplifiers
Sensing in the Mouth: A Model for Filiform Papillae as Strain Amplifiers
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DOI：
10.3389/fphy.2016.00035
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发表时间：
2016-08-23
影响因子：
3.1
通讯作者：
Le Reverend, Benjamin
中科院分区：
文献类型：
--
作者：
Lauga, Eric;Pipe, Christopher J.;Le Reverend, Benjamin
食物的质地感知是一个常见但尚未被研究的生物物理问题。由于最近的实验报道了舌头丝状乳头中微粒末梢的存在，我们在这项工作中建立了一个人类舌头的力学模型，该模型以弹性梁的形式覆盖着丝状乳头。考虑到牛顿液体口腔评估过程中口腔内发生的典型流动，我们建议，丝状乳头可以作为直接应变传感器和/或间接应变放大器，用于潜在的粘膜组织。该模型的应用也适用于其他生物附属物，如原发性纤毛和浅表神经肥大。
Texture perception of foods is a common yet remarkably unstudied biophysical problem. Motivated by recent experiments reporting the presence of corpuscular endings in tongue filiform papillae, we develop in this work a mechanical model of the human tongue covered with filiform papillae in the form of elastic beams. Considering the typical flows that occur in the mouth during oral evaluation of Newtonian liquids, we suggest that filiform papillae may act either as direct strain sensors and/or as indirect strain amplifiers for the underlying mucosal tissue. Application of this model may also be valid for other biological appendages, such as primary cilliae and superficial neuromasts.