div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Silvia Tonial dos Santos MQQtanari Departamento de Ciências Morfológicas UFRGS Rio Grande do Sul in the same way that the presence of the extracellular sheath is shared src=https:reader034vdocumentscoreader034viewer20220421005e7c26042667384d762b57ddhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Silvia Tonial dos Santos MQQtanari Departamento de Ciências Morfológicas UFRGS Rio Grande do Sul in the same way that the presence of the extracellular sheath is shared src=https:reader034vdocumentscoreader034viewer20220421005e7c26042667384d762b57ddhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Silvia Tonial dos Santos MQQtanari Departamento de Ciências Morfológicas UFRGS Rio Grande do Sul in the same way that the presence of the extracellular sheath is shared src=https:reader034vdocumentscoreader034viewer20220421005e7c26042667384d762b57ddhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv