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| Description: Perforated and pitted secondary walls of dead vessel member cells form these water-conducting tubes, which vary in size and in shape. A Pits in the side walls of adjoining vessel members match up, so water can flow between adjacent tubes as well as upward through them. The micrograph shows a longitudinal section of corn (Zea mays). The rows of pits are contact faces where vessel elements meet side-to-side. Picture Stats: Views: 764 Filesize: 430.13kB Height: 1047 Width: 1172 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=47882 |