{"id":5937,"date":"2024-10-19T12:40:55","date_gmt":"2024-10-19T12:40:55","guid":{"rendered":"https:\/\/workhouse.sweetdishy.com\/?p=5937"},"modified":"2024-10-19T12:40:56","modified_gmt":"2024-10-19T12:40:56","slug":"structure-of-exogenous-trees","status":"publish","type":"post","link":"https:\/\/workhouse.sweetdishy.com\/index.php\/2024\/10\/19\/structure-of-exogenous-trees\/","title":{"rendered":"\u00a0Structure of Exogenous Trees"},"content":{"rendered":"\n<p>A cross-section of an exogenous tree is shown in Fig. 10.1. It shows almost distinct concentric rings called annual rings.&nbsp;<em>Pith<\/em>&nbsp;is the innermost central portion consisting of cellular tissues. The inner annular area surrounding the pith is called&nbsp;<em>heartwood<\/em>. Heartwood is the one which is used for all engineering works. The portion between the&nbsp;<em>cambium layer<\/em>&nbsp;and the heartwood is called the&nbsp;<em>sapwood<\/em>, which can not be of any use for engineering purposes since it contains large quantities of water. A very small amount of cells that grow in the horizontal direction occurs as groups or bundles of cells known as&nbsp;<em>medullary rays<\/em>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/learning.oreilly.com\/api\/v2\/epubs\/urn:orm:book:9789332579118\/files\/images\/Ch10\/C10F001.png\" alt=\"C10F001.png\"\/><\/figure>\n\n\n\n<p><strong>Figure 10.1<\/strong>&nbsp;Typical cross-section of wood<\/p>\n\n\n\n<p>Freshly cut trees contain large quantities of moisture. If the percentage of moisture is more than about 20%, then the cut trees are subjected to different types of fungus attacks and attacks by insects. Hence, the amount of moisture has to be reduced.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A cross-section of an exogenous tree is shown in Fig. 10.1. It shows almost distinct concentric rings called annual rings.&nbsp;Pith&nbsp;is the innermost central portion consisting of cellular tissues. The inner annular area surrounding the pith is called&nbsp;heartwood. Heartwood is the one which is used for all engineering works. The portion between the&nbsp;cambium layer&nbsp;and the heartwood [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5673,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[629],"tags":[],"class_list":["post-5937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-timber-and-industrial-timber-products"],"jetpack_featured_media_url":"https:\/\/workhouse.sweetdishy.com\/wp-content\/uploads\/2024\/10\/timber.png","_links":{"self":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/5937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/comments?post=5937"}],"version-history":[{"count":1,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/5937\/revisions"}],"predecessor-version":[{"id":5938,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/5937\/revisions\/5938"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/media\/5673"}],"wp:attachment":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/media?parent=5937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/categories?post=5937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/tags?post=5937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}