47 milyon y\u0131l \u00f6nce hamile bir k\u0131srak ve do\u011fmam\u0131\u015f tay\u0131 (fetus) muhtemelen ka\u00e7arken g\u00f6lde bo\u011fularak hayat\u0131n\u0131 kaybetti. \u00d6ld\u00fckleri yer 21. y\u00fczy\u0131l paleontologlar\u0131 i\u00e7in bir \u015fanst\u0131. Fosille\u015fmi\u015f kal\u0131nt\u0131lar\u0131, Frankfurt\u2019ta eski k\u00f6m\u00fcr ve \u015fist ya\u011f\u0131 madenlerinin yak\u0131n\u0131nda \u201cMessel Pit\u201d ad\u0131 verilen, 57 milyon-36 milyon y\u0131l \u00f6nce aras\u0131ndaki Eosen d\u00f6nemindeki ya\u015famsal \u00e7evreyi anlamak a\u00e7\u0131s\u0131ndan zengin bulgular sunan b\u00f6lgede ke\u015ffedildi.<\/p>\n
K\u0131srak ve cenini, erken at t\u00fcrlerinden Eurohippus messelensis<\/em>\u2019in anatomisi ve \u00fcremesi hakk\u0131nda biliminsanlar\u0131na yeni bir bak\u0131\u015f getirdi. Frankfurt Senckenberg Ara\u015ft\u0131rma Enstit\u00fcs\u00fc ve Do\u011fal Tarih M\u00fczesi\u2019nden Jens Franzen, di\u011fer eski at t\u00fcrleri gibi k\u0131sra\u011f\u0131n k\u00fc\u00e7\u00fck boyutta, hatta \u201cfox terier\u201d k\u00f6pek cinsine yak\u0131n boyutta oldu\u011funu s\u00f6yledi.<\/p>\n Omurgal\u0131 Paleontoloji Derne\u011fi y\u0131ll\u0131k toplant\u0131s\u0131nda fosilin tan\u0131t\u0131m\u0131nda konu\u015fan Franzen, k\u0131srak ve fetusun kemiklerinin eksik oldu\u011funu, ancak biliminsanlar\u0131n\u0131n plasentay\u0131 saptayabilece\u011fini de s\u00f6zlerine ekledi. Bu organ do\u011frudan fosille\u015fmemi\u015f, bakteriler taraf\u0131ndan t\u00fcketildikten sonra fosille\u015fip koyu bir g\u00f6lge halini alm\u0131\u015f. Ara\u015ft\u0131rmac\u0131lar uterus (rahim) ve omurgan\u0131n da geni\u015f bir ba\u011fla birbirine eklendi\u011fini g\u00f6rebilir. (Her ne kadar fetusun kafatas\u0131 ezik olsa da, kaburgas\u0131 ve ayaklar\u0131 a\u00e7\u0131k\u00e7a fark ediliyor.)<\/p>\n Biliminsanlar\u0131, taramal\u0131 elektron mikroskobu alt\u0131nda, k\u0131sra\u011f\u0131n son yeme\u011findeki bitki kal\u0131nt\u0131lar\u0131n\u0131 kal\u0131nba\u011f\u0131rsa\u011f\u0131nda g\u00f6rebilirler. Tay\u0131n pozisyonu, do\u011fum eri\u015fkinli\u011fine \u00e7ok yak\u0131n oldu\u011funu ve antik atlar\u0131n modern kuzenleriyle ayn\u0131 \u015fekilde do\u011furduklar\u0131n\u0131 ortaya koyuyor. Franzen bulunan bu fosilin, plasentas\u0131 tan\u0131mlanan ikinci \u00f6rnek oldu\u011funu da belirtiyor.<\/p>\n Kaynaklar<\/strong><\/p>\n 1) http:\/\/news.sciencemag.org\/paleontology\/2014\/11\/stunning-fossil-shows-pregnant-mare-and-fetus<\/p>\n 2) http:\/\/whc.unesco.org\/en\/list\/720<\/p>\n","protected":false},"excerpt":{"rendered":" 47 milyon y\u0131l \u00f6nce hamile bir k\u0131srak ve do\u011fmam\u0131\u015f tay\u0131 (fetus) muhtemelen ka\u00e7arken g\u00f6lde bo\u011fularak hayat\u0131n\u0131 kaybetti. \u00d6ld\u00fckleri yer 21. y\u00fczy\u0131l paleontologlar\u0131 i\u00e7in bir \u015fanst\u0131. Fosille\u015fmi\u015f kal\u0131nt\u0131lar\u0131, Frankfurt\u2019ta eski k\u00f6m\u00fcr ve \u015fist ya\u011f\u0131 madenlerinin yak\u0131n\u0131nda \u201cMessel Pit\u201d ad\u0131 verilen, 57 milyon-36 milyon y\u0131l \u00f6nce aras\u0131ndaki Eosen d\u00f6nemindeki ya\u015famsal \u00e7evreyi anlamak a\u00e7\u0131s\u0131ndan zengin bulgular sunan b\u00f6lgede […]<\/p>\n","protected":false},"author":760,"featured_media":23765,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[167,211,19],"tags":[816,464],"class_list":["post-12286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-130-sayi","category-antropoloji","category-bilim-gundemi","tag-fosil","tag-paleontoloji"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t