{"id":2198,"date":"2022-02-05T17:12:45","date_gmt":"2022-02-05T16:12:45","guid":{"rendered":"https:\/\/michelecrevecoeur.ch\/?page_id=2198"},"modified":"2022-02-05T17:13:24","modified_gmt":"2022-02-05T16:13:24","slug":"anatomy-of-petiole-nettle","status":"publish","type":"page","link":"https:\/\/michelecrevecoeur.ch\/?page_id=2198","title":{"rendered":"Anatomy of petiole nettle"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2198\" class=\"elementor elementor-2198\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-32f50d5f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"32f50d5f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9d8cfe3\" data-id=\"9d8cfe3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d55b995 elementor-widget elementor-widget-text-editor\" data-id=\"5d55b995\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"margin-top: 15px; margin-bottom: 15px; line-height: 25.2px; color: #404040; font-family: arial; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><strong><span style=\"font-size: medium; color: #000080;\">Cross section in a petiole of nettle<\/span><\/strong><\/p><p style=\"margin-top: 15px; margin-bottom: 15px; line-height: 25.2px; color: #404040; font-family: arial; font-size: 14px; font-style: normal; font-weight: 400;\"><span style=\"color: #003366;\">It is a paraffin cross section stained with astra blue \u2013 basic fuchsin. The blue arrows indicate trichomes that are extension of cells of the uniseriate epidermis. Six vascular bundles are distributed on a ring as in the stem. Parenchyma is present in the center of the organ and between epidermis and vascular bundles. Three to four layers of parenchyma below epidermis consist of support tissues, angular collenchyma (co) on the whole periphery of the petiole.<\/span><br \/><span style=\"color: #003366;\"><strong>Scale<\/strong>: 100 \u03bcm.<\/span><\/p><p style=\"margin-top: 15px; margin-bottom: 15px; line-height: 25.2px; color: #404040; font-family: arial; font-size: 14px; font-style: normal; font-weight: 400;\"><img fetchpriority=\"high\" decoding=\"async\" style=\"border-width: 0px; border-style: initial; display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/www.unige.ch\/sciences\/biologie\/bioveg\/crevecoeur\/files\/cache\/a90c239edb84c24f7f1fbf0eacc56df0_f507.jpg\" alt=\"Coupe Petiole Ortie \" width=\"700\" height=\"711\" \/><\/p><p style=\"margin-top: 15px; margin-bottom: 15px; line-height: 25.2px; color: #404040; font-family: arial; font-size: 14px; font-style: normal; font-weight: 400;\"><span style=\"color: #000080;\">Part of the section showing two vascular bundles with xylem (x) towards the center, phloem towards the periphery (phl) and cambium between the two tissues. Layers of collenchyma (col) support tissue with cellulosic cell walls, are observed below epidermis.<\/span><\/p><p style=\"margin-top: 15px; margin-bottom: 15px; line-height: 25.2px; color: #404040; font-family: arial; font-size: 14px; font-style: normal; font-weight: 400;\"><img decoding=\"async\" style=\"border-width: 0px; border-style: initial; display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/www.unige.ch\/sciences\/biologie\/bioveg\/crevecoeur\/files\/cache\/8b3a9e46daa13236dea176ed3032a9a7_f508.jpg\" alt=\"Site petiole ortie 2.jpg\" width=\"700\" height=\"525\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Cross section in a petiole of nettle It is a paraffin cross section stained with astra blue \u2013 basic fuchsin. The blue arrows indicate trichomes that are extension of cells of the uniseriate epidermis. Six vascular bundles are distributed on a ring as in the stem. Parenchyma is present in the center of the organ [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-2198","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - 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