{"id":298960,"date":"2020-08-07T08:29:05","date_gmt":"2020-08-07T06:29:05","guid":{"rendered":"https:\/\/www.pcnen.com\/portal\/?p=298960"},"modified":"2020-08-07T08:29:05","modified_gmt":"2020-08-07T06:29:05","slug":"kako-se-krecu-spermatozoidi","status":"publish","type":"post","link":"https:\/\/www.pcnen.com\/portal\/2020\/08\/07\/kako-se-krecu-spermatozoidi\/","title":{"rendered":"Kako se kre\u0107u spermatozoidi?"},"content":{"rendered":"<p>Bila je potrebna brza kamera za snimanje i prou\u010davanje pojedina\u010dnih pokreta, jer se rep spermatozoida pomi\u010de brzo naprijed i nazad &#8211; 20 puta u sekundi.<\/p>\n<p>Snimanje brzinom od 55.000 sli\u010dica u sekundi, uz prikazivanje pokreta gore i dolje, kako bi skenirali i zabilje\u017eili svu slo\u017eenost pokreta iz svakog ugla, istra\u017eiva\u010di su otkrili da je spermatozoid asimetri\u010dan i da se mi\u010de samo po svojoj dominantnoj strani.<\/p>\n<p>Spermatozoidi se u stvari kre\u0107u u krug oko svoje osi kako bi do\u0161li do jajne \u0107elije okre\u0107u\u0107i svoja tijela dok im se okre\u0107u repovi.<\/p>\n<p>Me\u0111utim, kada se posmatra pomo\u0107u 2D mikroskopa, to kretanje ukrug nestaje i smatra se jednostavnim bo\u010dnim pokretom.<\/p>\n<p>https:\/\/youtu.be\/LNYVSHx3jPk<\/p>\n<p>https:\/\/youtu.be\/PdVbrJPfKHU<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nedavno je tim istra\u017eiva\u010da iz Velike Britanije i Meksika matemati\u010dki rekonstruirao pomake repa spermatozoida u tri dimenzije, koriste\u0107i najsavremeniju tehnologiju 3D mikroskopije.<\/p>\n","protected":false},"author":1,"featured_media":298961,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-298960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-svastara"],"_links":{"self":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/298960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/comments?post=298960"}],"version-history":[{"count":1,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/298960\/revisions"}],"predecessor-version":[{"id":298962,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/298960\/revisions\/298962"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media\/298961"}],"wp:attachment":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media?parent=298960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/categories?post=298960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/tags?post=298960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}