{"id":11540,"date":"2024-06-14T00:01:31","date_gmt":"2024-06-14T00:01:31","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11540"},"modified":"2024-06-14T00:01:31","modified_gmt":"2024-06-14T00:01:31","slug":"whale-sharks-eyeball-teeth","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/zoology\/whale-sharks-eyeball-teeth\/","title":{"rendered":"C\u00e1 m\u1eadp voi: Nh\u1eefng g\u00e3 kh\u1ed5ng l\u1ed3 hi\u1ec1n l\u00e0nh v\u1edbi \u0111\u00f4i m\u1eaft kh\u00f4ng m\u00ed"},"content":{"rendered":"

C\u00e1 m\u1eadp voi: K\u1ebb kh\u1ed5ng l\u1ed3 hi\u1ec1n l\u00e0nh v\u1edbi \u0111\u00f4i m\u1eaft kh\u00f4ng m\u00ed m\u1eaft<\/h2>\n\n

C\u00e1 m\u1eadp voi: M\u1ed9t k\u1ef3 quan sinh h\u1ecdc<\/h2>\n\n

C\u00e1 m\u1eadp voi, lo\u00e0i c\u00e1 l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi k\u00edch th\u01b0\u1edbc kh\u1ed5ng l\u1ed3, b\u1ea3n t\u00ednh hi\u1ec1n l\u00e0nh v\u00e0 th\u00f3i quen ki\u1ebfm \u0103n \u0111\u1ed9c \u0111\u00e1o. Nh\u1eefng lo\u00e0i \u0103n l\u1ecdc n\u00e0y b\u01a1i qua c\u00e1c v\u00f9ng bi\u1ec3n nhi\u1ec7t \u0111\u1edbi, x\u00fac l\u1ea5y sinh v\u1eadt ph\u00f9 du b\u1eb1ng chi\u1ebfc mi\u1ec7ng kh\u1ed5ng l\u1ed3 c\u1ee7a ch\u00fang. Tuy nhi\u00ean, m\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh h\u1ea5p d\u1eabn nh\u1ea5t c\u1ee7a c\u00e1 m\u1eadp voi n\u1eb1m \u1edf \u0111\u00f4i m\u1eaft c\u1ee7a ch\u00fang.<\/p>\n\n

R\u0103ng tr\u00ean nh\u00e3n c\u1ea7u: M\u1ed9t bi\u1ec7n ph\u00e1p th\u00edch nghi \u0111\u1ec3 b\u1ea3o v\u1ec7<\/h2>\n\n

Kh\u00f4ng gi\u1ed1ng nh\u01b0 h\u1ea7u h\u1ebft c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt kh\u00e1c, c\u00e1 m\u1eadp voi kh\u00f4ng c\u00f3 m\u00ed m\u1eaft. \u0110i\u1ec1u n\u00e0y khi\u1ebfn \u0111\u00f4i m\u1eaft c\u1ee7a ch\u00fang l\u1ed9 ra ngo\u00e0i v\u00e0 d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng b\u1edfi c\u00e1c y\u1ebfu t\u1ed1. \u0110\u1ec3 b\u00f9 \u0111\u1eafp cho \u0111i\u1ec1u n\u00e0y, c\u00e1 m\u1eadp voi \u0111\u00e3 ti\u1ebfn h\u00f3a m\u1ed9t bi\u1ec7n ph\u00e1p th\u00edch nghi \u0111\u00e1ng ch\u00fa \u00fd: nh\u1eefng chi\u1ebfc r\u0103ng nh\u1ecf x\u00edu tr\u00ean nh\u00e3n c\u1ea7u c\u1ee7a ch\u00fang.<\/p>\n\n

Nh\u1eefng chi\u1ebfc r\u0103ng n\u00e0y, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “r\u0103ng da”, l\u00e0 nh\u1eefng v\u1ea3y \u0111\u00e3 bi\u1ebfn \u0111\u1ed5i, bao ph\u1ee7 to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t nh\u00e3n c\u1ea7u c\u1ee7a c\u00e1 m\u1eadp voi. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp th\u00e0nh m\u1ed9t c\u1ee5m d\u00e0y \u0111\u1eb7c xung quanh m\u1ed1ng m\u1eaft, t\u1ea1o th\u00e0nh m\u1ed9t t\u1ea5m khi\u00ean b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c t\u1ed5n th\u01b0\u01a1ng c\u01a1 h\u1ecdc.<\/p>\n\n

Co nh\u00e3n c\u1ea7u: M\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 b\u1ed5 sung<\/h2>\n\n

Ngo\u00e0i r\u0103ng da, c\u00e1 m\u1eadp voi c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng thu m\u1ed9t ph\u1ea7n nh\u00e3n c\u1ea7u v\u00e0o trong h\u1ed9p s\u1ecd. C\u01a1 ch\u1ebf n\u00e0y b\u1ea3o v\u1ec7 m\u1eaft c\u1ee7a ch\u00fang kh\u1ecfi nh\u1eefng t\u1ed5n h\u1ea1i ti\u1ec1m \u1ea9n.<\/p>\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a th\u1ecb l\u1ef1c \u0111\u1ed1i v\u1edbi c\u00e1 m\u1eadp voi<\/h2>\n\n

Theo truy\u1ec1n th\u1ed1ng, c\u00e1c nh\u00e0 khoa h\u1ecdc tin r\u1eb1ng c\u00e1 m\u1eadp voi ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o kh\u1ee9u gi\u00e1c ch\u1ee9 kh\u00f4ng ph\u1ea3i th\u1ecb gi\u00e1c \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng trong m\u00f4i tr\u01b0\u1eddng xung quanh. Tuy nhi\u00ean, vi\u1ec7c ph\u00e1t hi\u1ec7n ra r\u0103ng da v\u00e0 kh\u1ea3 n\u0103ng co nh\u00e3n c\u1ea7u cho th\u1ea5y th\u1ecb l\u1ef1c c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng h\u01a1n trong s\u1ef1 s\u1ed1ng c\u00f2n c\u1ee7a ch\u00fang so v\u1edbi suy ngh\u0129 tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n\n

R\u0103ng da: C\u1ea5u tr\u00fac \u0111a ch\u1ee9c n\u0103ng<\/h2>\n\n

R\u0103ng da kh\u00f4ng ch\u1ec9 c\u00f3 \u1edf c\u00e1 m\u1eadp voi. Ch\u00fang \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y tr\u00ean c\u01a1 th\u1ec3 c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c lo\u00e0i c\u00e1 m\u1eadp v\u00e0 c\u00e1 \u0111u\u1ed1i, n\u01a1i ch\u00fang c\u00f3 nhi\u1ec1u ch\u1ee9c n\u0103ng kh\u00e1c nhau. Nh\u1eefng chi\u1ebfc r\u0103ng nh\u1ecf x\u00edu n\u00e0y gi\u00fap gi\u1ea3m s\u1ee9c c\u1ea3n v\u00e0 \u0111\u1ed9 nhi\u1ec5u lo\u1ea1n khi c\u00e1 m\u1eadp l\u01b0\u1edbt qua n\u01b0\u1edbc, cho ph\u00e9p ch\u00fang b\u01a1i hi\u1ec7u qu\u1ea3 h\u01a1n. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 ch\u00fang kh\u1ecfi nh\u1eefng k\u1ebb s\u0103n m\u1ed3i v\u00e0 k\u00fd sinh tr\u00f9ng.<\/p>\n\n

H\u00ecnh d\u1ea1ng l\u00e1 s\u1ed3i c\u1ee7a r\u0103ng da<\/h2>\n\n

D\u01b0\u1edbi k\u00ednh hi\u1ec3n vi, r\u0103ng da c\u1ee7a c\u00e1 m\u1eadp voi c\u00f3 h\u00ecnh d\u1ea1ng “l\u00e1 s\u1ed3i” \u0111\u1eb7c bi\u1ec7t. M\u1ed9t s\u1ed1 trong nh\u1eefng chi\u1ebfc r\u0103ng \u0111\u00f3 th\u1eadm ch\u00ed c\u00f2n gi\u1ed1ng r\u0103ng h\u00e0m c\u1ee7a con ng\u01b0\u1eddi, l\u00e0m t\u0103ng th\u00eam s\u1ef1 \u0111\u1ed9c \u0111\u00e1o v\u00e0 ph\u1ee9c t\u1ea1p c\u1ee7a ch\u00fang.<\/p>\n\n

C\u00e1 m\u1eadp voi: M\u1ed9t lo\u00e0i b\u00ed \u1ea9n<\/h2>\n\n

M\u1eb7c d\u00f9 c\u00f3 k\u00edch th\u01b0\u1edbc kh\u1ed5ng l\u1ed3 v\u00e0 nh\u1eefng bi\u1ec7n ph\u00e1p th\u00edch nghi \u1ea5n t\u01b0\u1ee3ng, c\u00e1 m\u1eadp voi v\u1eabn c\u00f2n l\u00e0 m\u1ed9t \u0111i\u1ec1u b\u00ed \u1ea9n \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 khoa h\u1ecdc. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u1eabn \u0111ang t\u00ecm hi\u1ec3u v\u1ec1 t\u1eadp t\u00ednh, th\u00f3i quen ki\u1ebfm \u0103n v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang. C\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt x\u00e1c \u0111\u1ecbnh ni\u00ean \u0111\u1ea1i b\u1eb1ng \u0111\u1ed3ng v\u1ecb ph\u00f3ng x\u1ea1 \u0111\u00e3 ti\u1ebft l\u1ed9 r\u1eb1ng nh\u1eefng g\u00e3 kh\u1ed5ng l\u1ed3 hi\u1ec1n l\u00e0nh n\u00e0y c\u00f3 th\u1ec3 s\u1ed1ng \u00edt nh\u1ea5t 50 n\u0103m.<\/p>\n\n

Khi c\u00e1c nh\u00e0 khoa h\u1ecdc ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1 m\u1eadp voi, ch\u00fang ta c\u00f3 th\u1ec3 mong \u0111\u1ee3i kh\u00e1m ph\u00e1 ra nhi\u1ec1u b\u00ed m\u1eadt h\u1ea5p d\u1eabn h\u01a1n n\u1eefa v\u1ec1 nh\u1eefng sinh v\u1eadt b\u00ed \u1ea9n n\u00e0y. Nh\u1eefng bi\u1ec7n ph\u00e1p th\u00edch nghi \u0111\u1ed9c \u0111\u00e1o c\u1ee7a ch\u00fang, ch\u1eb3ng h\u1ea1n nh\u01b0 r\u0103ng tr\u00ean nh\u00e3n c\u1ea7u v\u00e0 \u0111\u00f4i m\u1eaft kh\u00f4ng c\u00f3 m\u00ed, cung c\u1ea5p c\u00e1i nh\u00ecn tho\u00e1ng qua v\u1ec1 s\u1ef1 \u0111a d\u1ea1ng v\u00e0 s\u1ee9c s\u1ed1ng \u0111\u00e1ng kinh ng\u1ea1c c\u1ee7a s\u1ef1 s\u1ed1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"

C\u00e1 m\u1eadp voi: K\u1ebb kh\u1ed5ng l\u1ed3 hi\u1ec1n l\u00e0nh v\u1edbi \u0111\u00f4i m\u1eaft kh\u00f4ng m\u00ed m\u1eaft C\u00e1 m\u1eadp voi: M\u1ed9t k\u1ef3 quan sinh h\u1ecdc C\u00e1 m\u1eadp voi, lo\u00e0i c\u00e1 l\u1edbn nh\u1ea5t th\u1ebf…<\/p>\n","protected":false},"author":1,"featured_media":23627,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[5983,15612,15611,15610,361],"class_list":["post-11540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zoology","tag-whale-sharks","tag-ocean-wonders","tag-dermal-denticles","tag-eyeball-teeth","tag-marine-biology"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11540","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=11540"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11540\/revisions"}],"predecessor-version":[{"id":11541,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11540\/revisions\/11541"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/23627"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=11540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=11540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=11540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}