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Microscopic aspects of electrosensory system on the partially euryhaline lesser guitarfish Anais da ABC (AABC)
RANGEL,BIANCA S.; WOSNICK,NATASCHA; AMORIM,ALBERTO F.; K. JUNIOR,JOSÉ ROBERTO; RICI,ROSE E.G..
ABSTRACT The electrosensory system on elasmobranchs consists of subcutaneous electroreceptor organs known as ampullae of Lorenzini. The present study investigated the ampullae of Lorenzini morphology of the lesser guitarfish Zapteryx brevirostris, using light microscopy and scanning electron microscopy. The pore number found in the ventral skin surface is much higher than that found in the dorsal portion, characteristic of species that inhabit the euphotic zone. Under light microscopy it was possible to observe that the wall canal consists of a single layer of squamous epithelial cells. The canal features distal expansion, where the ampullae are located with up to six alveoli. The sensory epithelium of ampullae is composed by cubic cells, with oval...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Elasmobranch; Ampullae of Lorenzini; Electroreceptors; Light microscopy; Scanning electron microscopy.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000100037
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