{"id":5006051,"date":"2011-10-23T20:39:31","date_gmt":"2011-10-23T18:39:31","guid":{"rendered":"https:\/\/criticalbiomass.blog.hu\/2011\/10\/23\/egyszemu_capak_1"},"modified":"2011-10-23T20:39:31","modified_gmt":"2011-10-23T18:39:31","slug":"egyszemu_capak_1","status":"publish","type":"post","link":"https:\/\/criticalbiomass.hu\/?p=5006051","title":{"rendered":"Egyszem\u0171 c\u00e1p\u00e1k"},"content":{"rendered":"<p>A h\u00e9t egyik tudom\u00e1nyos bulv\u00e1rszenz\u00e1ci\u00f3ja a Mexik\u00f3ban lelt egyszem\u0171 c\u00e1pa-b\u00e9bi lett, amit siker\u00fclt minden\u00fctt (\u00edgy az elvileg tudom\u00e1nyos port\u00e1lk\u00e9nt defini\u00e1lhat\u00f3 <a href=\"http:\/\/www.livescience.com\/16564-cyclops-shark-cryptozoology.html\">LiveScience-n is<\/a>) elk\u00e9peszt\u0151en bl\u0151d k\u00f6r\u00edt\u00e9ssel t\u00e1lalni.<\/p>\n<p>Pedig a jelens\u00e9g, ami a szerencs\u00e9tlen kis l\u00e9nyt minden val\u00f3sz\u00edn\u0171s\u00e9g szerint ilyenn\u00e9 tette, kialak\u00edtva a <a href=\"http:\/\/en.wikipedia.org\/wiki\/Holoprosencephaly\">holoprosencephalia<\/a> t\u00fcnetegy\u00fcttest, egy el\u00e9g univerz\u00e1lis gerinces fejl\u0151d\u00e9si \u00fatvonal elroml\u00e1sa lehet (ami \u00f6sszess\u00e9g\u00e9ben nem is annyira hallatlanul ritka, l\u00e1sd nem is olyan r\u00e9gen <a href=\"http:\/\/www.snopes.com\/photos\/animals\/cyclopes.asp\">Cy, a k\u00fcklopsz-kismacska<\/a> eset\u00e9t).<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/criticalbiomass.blog.hu\/media\/image\/201110\/cyclops-shark-111017.jpg\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\" class=\"imgnotext\" \/><\/p>\n<p><!--more--><\/p>\n<p>\u00a0<\/p>\n<p>T\u00f6bb lehet\u0151s\u00e9get sz\u00e1mba vehet\u00fcnk, hogy mi is ment <span style=\"text-decoration: line-through;\">gallyra<\/span> gajra a fejl\u0151d\u00e9s korai szakasza sor\u00e1n. P\u00e9ld\u00e1ul, mint arr\u00f3l egyszer <a href=\"http:\/\/criticalbiomass.blog.hu\/2007\/02\/12\/gerinces_szemfejlodes\" target=\"_self\" rel=\"noopener\">r\u00e9gen m\u00e1r \u00edrtam<\/a>, a Sonic hedgehog (Shh)-jel\u00e1tvitel hib\u00e1ja eset\u00e9n elmarad a gerinces embri\u00f3k fejl\u0151d\u00e9se elej\u00e9n a szemmez\u0151 kett\u00e9v\u00e1l\u00e1sa s \u00edgy egyetlen szem alakul ki. A dolog egyszer\u0171 (\u00e9s sajn\u00e1latos v\u00e9letlen) nyom\u00e1n is kialakulhat &#8211; hiszen sz\u00e1mos fejl\u0151d\u00e9si folyamat egy kicsit sztochasztikus -, de gyakran a k\u00f6rnyezetb\u0151l bejut\u00f3 antagonist\u00e1k hat\u00e1sa k\u00f6vetkezt\u00e9ben jelentkezik. Ut\u00f3bbi kateg\u00f3ria a cyclopamin nev\u0171 anyag, amely a z\u00e1szp\u00e1ban tal\u00e1lhat\u00f3 \u00e9s legel\u00e9s k\u00f6zben a vemhes juhokat <a href=\"http:\/\/www.learner.org\/courses\/biology\/archive\/images\/1717.html\">m\u00e9rgezheti meg<\/a> (esetleg v\u00e9letlen sor\u00e1n emberi t\u00e1pl\u00e1l\u00e9kba ker\u00fclve, hasonl\u00f3 <a href=\"http:\/\/en.wikipedia.org\/wiki\/Cyclopia\">k\u00f6vetkezm\u00e9nyekkel j\u00e1r<\/a>).<\/p>\n<p>Term\u00e9szetesen a Shh-jel\u00e1tvitel csak az egyik lehet\u0151s\u00e9g, de a l\u00e9nyeg minden esetben ugyanaz: a szemmez\u0151 korai fejl\u0151d\u00e9se nem \u00fagy zajlik, le, ahogy kellene, \u00edgy a k\u00e9t oldalon kialakul\u00f3 szemek helyett egyetlen, nagym\u00e9ret\u0171 szem j\u00f6n l\u00e9tre homlokt\u00e1jon.<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A h\u00e9t egyik tudom\u00e1nyos bulv\u00e1rszenz\u00e1ci\u00f3ja a Mexik\u00f3ban lelt egyszem\u0171 c\u00e1pa-b\u00e9bi lett, amit siker\u00fclt minden\u00fctt (\u00edgy az elvileg tudom\u00e1nyos port\u00e1lk\u00e9nt defini\u00e1lhat\u00f3 LiveScience-n is) elk\u00e9peszt\u0151en bl\u0151d k\u00f6r\u00edt\u00e9ssel t\u00e1lalni. Pedig a jelens\u00e9g, ami a szerencs\u00e9tlen kis l\u00e9nyt minden val\u00f3sz\u00edn\u0171s\u00e9g szerint ilyenn\u00e9 tette, kialak\u00edtva &hellip; <a href=\"https:\/\/criticalbiomass.hu\/?p=5006051\">Egy kattint\u00e1s ide a folytat\u00e1shoz&#8230;. <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,1],"tags":[235,25],"class_list":["post-5006051","post","type-post","status-publish","format-standard","hentry","category-devbio101","category-uncategorized","tag-shh","tag-szem"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts\/5006051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5006051"}],"version-history":[{"count":0,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts\/5006051\/revisions"}],"wp:attachment":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5006051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5006051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5006051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}