{"id":4610,"date":"2011-02-06T08:00:27","date_gmt":"2011-02-06T16:00:27","guid":{"rendered":"http:\/\/www.todayifoundout.com\/?p=4610"},"modified":"2011-11-08T22:39:54","modified_gmt":"2011-11-09T06:39:54","slug":"why-veins-generally-look-blue","status":"publish","type":"post","link":"http:\/\/www.todayifoundout.com\/index.php\/2011\/02\/why-veins-generally-look-blue\/","title":{"rendered":"Why Veins Generally Look Blue"},"content":{"rendered":"<div class=\"pf-content\"><p><a href=\"http:\/\/www.todayifoundout.com\/wp-content\/uploads\/2011\/02\/why-veins-look-blue.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4611\" title=\"why-veins-look-blue\" src=\"http:\/\/www.todayifoundout.com\/wp-content\/uploads\/2011\/02\/why-veins-look-blue.jpg\" alt=\"\" width=\"558\" height=\"702\" srcset=\"http:\/\/www.todayifoundout.com\/wp-content\/uploads\/2011\/02\/why-veins-look-blue.jpg 558w, http:\/\/www.todayifoundout.com\/wp-content\/uploads\/2011\/02\/why-veins-look-blue-340x428.jpg 340w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/><\/a><\/p>\n<p>##EMBED##<\/p>\n<p><a title=\"Deoxygenated Blood Turns Dark Red Not Blue\" href=\"http:\/\/www.misconceptionjunction.com\/index.php\/2010\/09\/deoxygenated-blood-turns-dark-red-not-blue\/\" target=\"_blank\">Click Here for Sources and Other Interesting Blood and Body Related Facts<\/a><\/p>\n<p><strong>Text Version<\/strong><\/p>\n<p>Veins are very close to the surface of skin, which helps them play a role in heat dissipation.\u00a0 Due to this closeness to the surface, they are very visible through the skin.\u00a0 This near-surface location is largely why veins often appear blue despite the fact that the blood running through them is dark red.<\/p>\n<p>Specifically, this is from the way light diffuses in the skin.\u00a0\u00a0 Veins may appear blue from the way subcutaneous fat absorbs low-frequency light.\u00a0 This permits only high frequency blue and violet wavelengths to penetrate through the skin to the vein, with the other wavelengths getting filtered off from the pigmentation of your skin.<\/p>\n<p>In fact, when skin is removed, such as when dissecting a cadaver, the veins and arteries actually are a somewhat similar color.\u00a0 While people with, for lack of a better word, \u201cmedium\u201d skin color will typically have blue veins, veins often won\u2019t appear blue if a person has darker or lighter skin.\u00a0 Rather, the veins tend to appear green or brown.\u00a0 On the other hand, people with extremely light skin, such as an albino, will typically have veins that show up as dark purple or dark red, more closely resembling the actual color of the blood running through the veins.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>##EMBED## Click Here for Sources and Other Interesting Blood and Body Related Facts Text Version Veins are very close to the surface of skin, which helps them play a role in heat dissipation.\u00a0 Due to this closeness to the surface, they are very visible through the skin.\u00a0 This near-surface location is largely why veins often appear blue despite the fact [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":4611,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[689],"tags":[790,1221],"class_list":["post-4610","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quick-facts","tag-medical-facts","tag-veins-blue"],"_links":{"self":[{"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/posts\/4610","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/comments?post=4610"}],"version-history":[{"count":4,"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/posts\/4610\/revisions"}],"predecessor-version":[{"id":4614,"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/posts\/4610\/revisions\/4614"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/media\/4611"}],"wp:attachment":[{"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/media?parent=4610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/categories?post=4610"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.todayifoundout.com\/index.php\/wp-json\/wp\/v2\/tags?post=4610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}