div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader043fdocumentsusreader043viewer20220305185ac4047e7f8b9ae06c8cdef3html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: PS2pdfobservation of immuno- gold labelled preparations from the leaf petiole of cucumber Cucumis sativus L shows that it also exists in the sieve element-companion cell SE-CC src=https:reader043fdocumentsusreader043viewer20220305185ac4047e7f8b9ae06c8cdef3html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader043fdocumentsusreader043viewer20220305185ac4047e7f8b9ae06c8cdef3html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: PS2pdfobservation of immuno- gold labelled preparations from the leaf petiole of cucumber Cucumis sativus L shows that it also exists in the sieve element-companion cell SE-CC src=https:reader043fdocumentsusreader043viewer20220305185ac4047e7f8b9ae06c8cdef3html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 3button div class=trans-image a href=https:reader043fdocumentsusreader043viewer20220305185ac4047e7f8b9ae06c8cdef3html5page3jpg target=_blank amp-img class=trans-thumb alt=Page 3: PS2pdfobservation of immuno- gold labelled preparations from the leaf petiole of cucumber Cucumis sativus L shows that it also exists in the sieve element-companion cell SE-CC src=https:reader043fdocumentsusreader043viewer20220305185ac4047e7f8b9ae06c8cdef3html5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 4button div class=trans-image a href=https:reader043fdocumentsusreader043viewer20220305185ac4047e7f8b9ae06c8cdef3html5page4jpg target=_blank amp-img class=trans-thumb alt=Page 4: PS2pdfobservation of immuno- gold labelled preparations from the leaf petiole of cucumber Cucumis sativus L shows that it also exists in the sieve element-companion cell...