{"id":155,"date":"2012-06-05T13:33:33","date_gmt":"2012-06-05T17:33:33","guid":{"rendered":"http:\/\/blogs.vassar.edu\/diffractionsymmetries\/?page_id=155"},"modified":"2012-07-11T09:52:16","modified_gmt":"2012-07-11T13:52:16","slug":"c-elegans","status":"publish","type":"page","link":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/discoveries\/c-elegans\/","title":{"rendered":"C. elegans"},"content":{"rendered":"\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-155 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/pages.vassar.edu\/diffractionsymmetries\/discoveries\/c-elegans\/image006\/'><img loading=\"lazy\" decoding=\"async\" width=\"83\" height=\"72\" src=\"https:\/\/pages.vassar.edu\/diffractionsymmetries\/files\/2012\/06\/image006.gif\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/pages.vassar.edu\/diffractionsymmetries\/discoveries\/c-elegans\/image013\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"123\" src=\"https:\/\/pages.vassar.edu\/diffractionsymmetries\/files\/2012\/06\/image013-150x123.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/pages.vassar.edu\/diffractionsymmetries\/discoveries\/c-elegans\/image010\/'><img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"81\" src=\"https:\/\/pages.vassar.edu\/diffractionsymmetries\/files\/2012\/06\/image010.gif\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p>&nbsp;<\/p>\n<p>What are they?<\/p>\n<p><em>C elegans<\/em> are nematodes (worms), which are commonly found in soil from across the globe. Their usual diet consist of microorganisms bacteria.<\/p>\n<p>Anatomy of C. elegans:<\/p>\n<p><em>C. elegans<\/em> posses a small number of internal organs and tissues. These internal organs operate the essential parts of the body. The head contains the brain and the prominent feeding organ \u2013 the pharynx. The main body is filled with the intestine and in the case of an adult hermaphrodite the gonad consisting of the uterus and spermatheka. During the gastrulation stage <em>C. elegans<\/em> reproduce, embryos develop inside the female \u201d mother\u201d and laid through the vulva.<\/p>\n<p><em>C. elegans<\/em> body is a cylindrical shape that is enclosed by layer of epithelial cells (hypodermis). A secreted cuticle protects these Cells that consist of proteins (mainly collagens). The main body of the <em>C elegans<\/em> walls muscle cells are separated into four sections in the dorsal and ventral areas.\u00a0Similar to the spinal cord on the human body, major nerve cords transverse the entire length of the body. The pseudocoelomic space \u00a0 is a fluid like substance that\u00a0surrounding the intestine and gonad.\u00a0<em>C.\u00a0elegans<\/em>\u00a0completely lacks skeletal elements and has no circulatory system. Adult <em>C. elegans<\/em> measure approximately 1mm in length, and roughly about .2mm in diameter. This unique physical makeup allows\u00a0oxygen from the air to diffuse through the body. Nutrients from the gut are disperse into the pseudocoelmic space and taken up by other cells. <em>C. elegans<\/em> body possessive internal \u00a0 \u00a0pressure called hydrostatic. This pressure imitates as a hydrostatic skeleton. <em>C. elegans \u00a0<\/em> Muscle cells are firmly attach to the external cuticle. When muscle Contract cells, this reaction corresponds to bending of the rigid body.<\/p>\n<p>The life Cycle of<em> C. elegans<\/em><\/p>\n<p><em>When C.\u00a0elegans produce<\/em>\u00a0embryos, they are developed and hatch after 14 short hours. The first stage is the larval. \u00a0Completion of this stage is reached after 12 hours, and <em>C. elegans<\/em> proceed to \u00a0 the \u201cfour molt cycles\u201d before reaching adult stage. When Larva is faced with adverse conditions such as under crowded or absence of food, larvae can choose an alternative developmental pathway. This alternative pathway can sustain the larva for several months. If the larva detects better living conditions, it switches back to normal development. <em>C elegans<\/em> \u00a0exit the dauer larval stage in which they develop into the normal fourth larval stage before becoming adult. Adult <em>C. elegans<\/em> are hermaphrodites and produce eggs and sperm. It is estimated that 300 eggs are laid in a 3-4 day period. However, life span of <em>C. elegans<\/em> is a mere 2-3 weeks. This short generation cycle facilitates genetic experiments and is a major advantage for researchers working with this organism.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; What are they? C elegans are nematodes (worms), which are commonly found in soil from across the globe. Their usual diet consist of microorganisms bacteria. Anatomy of C. elegans: C. elegans posses a small number of internal organs and &hellip; <a href=\"https:\/\/pages.vassar.edu\/diffractionsymmetries\/discoveries\/c-elegans\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2480,"featured_media":533,"parent":45,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"sidebar-page.php","meta":{"footnotes":""},"class_list":["post-155","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/wp-json\/wp\/v2\/pages\/155","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/wp-json\/wp\/v2\/users\/2480"}],"replies":[{"embeddable":true,"href":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/wp-json\/wp\/v2\/comments?post=155"}],"version-history":[{"count":22,"href":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/wp-json\/wp\/v2\/pages\/155\/revisions"}],"predecessor-version":[{"id":159,"href":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/wp-json\/wp\/v2\/pages\/155\/revisions\/159"}],"up":[{"embeddable":true,"href":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/wp-json\/wp\/v2\/pages\/45"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/wp-json\/wp\/v2\/media\/533"}],"wp:attachment":[{"href":"https:\/\/pages.vassar.edu\/diffractionsymmetries\/wp-json\/wp\/v2\/media?parent=155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}