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M. Beier R. Hilbig R. Anken 《Advances in Space Research (includes Cospar's Information Bulletin, Space Research Today)》2008
Inner ear otolith growth in terms of mineralisation mainly depends on the enzyme carbonic anhydrase (CAH). CAH is located in specialised, mitochondria-rich macular cells (ionocytes), which are involved in the endolymphatic ion exchange, and the enzyme is responsible for the provision of the pH-value necessary for otolithic calcium carbonate deposition. 相似文献
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R. Anken R. Hilbig 《Advances in Space Research (includes Cospar's Information Bulletin, Space Research Today)》2009
The catfish Synodontis nigriventris often shows a unique swimming behaviour in being oriented upside-down. When swimming near a (e.g., vertical) substrate, however, the animals orient themselves with their ventral side towards this substrate. This tendency is called ventral substrate response (VSR). The VSR does not only override the upside-down swimming behaviour but also the dorsal light response and the ventral light response. 相似文献
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