{"id":3689,"date":"2024-07-13T23:19:46","date_gmt":"2024-07-13T16:19:46","guid":{"rendered":"https:\/\/bsvothanhtoan.com\/?p=3689"},"modified":"2024-07-13T23:19:46","modified_gmt":"2024-07-13T16:19:46","slug":"o-xuong-dai-mang-xuong-co-chuc-nang","status":"publish","type":"post","link":"https:\/\/bsvothanhtoan.com\/en\/o-xuong-dai-mang-xuong-co-chuc-nang\/","title":{"rendered":"\u1ede x\u01b0\u01a1ng d\u00e0i m\u00e0ng x\u01b0\u01a1ng c\u00f3 ch\u1ee9c n\u0103ng g\u00ec? Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 x\u01b0\u01a1ng"},"content":{"rendered":"

Kh\u00e1m ph\u00e1 v\u1ec1 m\u00e0ng x\u01b0\u01a1ng<\/span><\/h2>\n

Kh\u1ea3 n\u0103ng quan s\u00e1t m\u00e0ng x\u01b0\u01a1ng<\/strong><\/span><\/h2>\n

M\u00e0ng x\u01b0\u01a1ng kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y ch\u1ec9 b\u1eb1ng c\u00e1ch ch\u1ee5p phim X-ray<\/a>. \u0110\u1ec3 quan s\u00e1t r\u00f5 h\u01a1n, ch\u00fang ta c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 si\u00eau \u00e2m ho\u1eb7c c\u1ed9ng h\u01b0\u1edfng t\u1eeb. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 b\u1ed9 ph\u1eadn n\u00e0y trong ph\u1ea7n ti\u1ebfp theo.<\/span><\/h2>\n

\u0110\u1ecbnh ngh\u0129a m\u00e0ng x\u01b0\u01a1ng<\/strong><\/p>\n

M\u00e0ng x\u01b0\u01a1ng, c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nh\u01b0 m\u00e0ng ngo\u00e0i c\u1ee7a x\u01b0\u01a1ng, l\u00e0 m\u1ed9t l\u1edbp m\u1ecfng bao b\u1ecdc b\u00ean ngo\u00e0i c\u00e1c x\u01b0\u01a1ng d\u00e0i trong c\u01a1 th\u1ec3 ng\u01b0\u1eddi. L\u1edbp n\u00e0y che ph\u1ee7 to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a x\u01b0\u01a1ng, \u0111\u00f3ng vai tr\u00f2 b\u1ea3o v\u1ec7 v\u00e0 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh x\u01b0\u01a1ng.<\/p>\n

\"M\u00e0ng
M\u00e0ng X\u01b0\u01a1ng<\/figcaption><\/figure>\n

M\u00e0ng x\u01b0\u01a1ng c\u00f3 hai l\u1edbp: l\u1edbp ngo\u00e0i v\u00e0 l\u1edbp trong. L\u1edbp ngo\u00e0i, hay m\u00e0ng s\u1ee3i, gi\u00fap b\u1ea3o v\u1ec7 x\u01b0\u01a1ng kh\u1ecfi c\u00e1c t\u00e1c \u0111\u1ed9ng b\u00ean ngo\u00e0i. L\u1edbp trong, g\u1ecdi l\u00e0 m\u00e0ng t\u1ebf b\u00e0o, ch\u1ee9a c\u00e1c t\u1ebf b\u00e0o c\u00f3 ch\u1ee9c n\u0103ng s\u1ea3n xu\u1ea5t m\u00f4 x\u01b0\u01a1ng m\u1edbi.<\/p>\n

Ch\u1ee9c n\u0103ng c\u1ee7a m\u00e0ng x\u01b0\u01a1ng \u1edf x\u01b0\u01a1ng d\u00e0y<\/strong><\/p>\n

M\u00e0ng x\u01b0\u01a1ng c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 x\u01b0\u01a1ng kh\u1ecfi t\u1ed5n th\u01b0\u01a1ng. N\u00f3 gi\u00fap h\u1ea5p th\u1ee5 v\u00e0 ph\u00e2n t\u00e1n l\u1ef1c t\u00e1c \u0111\u1ed9ng, b\u1ea3o v\u1ec7 c\u00e1c c\u01a1 quan v\u00e0 m\u00f4 m\u1ec1m xung quanh. Khi x\u01b0\u01a1ng b\u1ecb g\u00e3y ho\u1eb7c t\u1ed5n th\u01b0\u01a1ng, m\u00e0ng x\u01b0\u01a1ng s\u1ebd k\u00edch ho\u1ea1t c\u00e1c t\u1ebf b\u00e0o \u0111\u1ec3 s\u1ea3n xu\u1ea5t m\u00f4 x\u01b0\u01a1ng m\u1edbi, h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh ph\u1ee5c h\u1ed3i.<\/p>\n

M\u00e0ng x\u01b0\u01a1ng cung c\u1ea5p c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a x\u01b0\u01a1ng, nh\u01b0 canxi v\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t kh\u00e1c. \u1ede x\u01b0\u01a1ng d\u00e0i, m\u00e0ng x\u01b0\u01a1ng c\u00f2n gi\u00fap x\u01b0\u01a1ng ph\u00e1t tri\u1ec3n theo chi\u1ec1u ngang b\u1eb1ng c\u00e1ch ph\u00e2n chia v\u00e0 t\u1ea1o ra c\u00e1c t\u1ebf b\u00e0o m\u1edbi. T\u1ebf b\u00e0o c\u0169 s\u1ebd b\u1ecb \u0111\u1ea9y v\u00e0o trong v\u00e0 chuy\u1ec3n h\u00f3a th\u00e0nh x\u01b0\u01a1ng, l\u00e0m cho x\u01b0\u01a1ng to ra v\u00e0 d\u00e0i ra.<\/p>\n

Ngo\u00e0i ra, m\u00e0ng x\u01b0\u01a1ng c\u00f2n t\u1ea1o m\u00f4i tr\u01b0\u1eddng thu\u1eadn l\u1ee3i cho c\u00e1c t\u1ebf b\u00e0o ph\u00e1t tri\u1ec3n, duy tr\u00ec c\u1ea5u tr\u00fac x\u01b0\u01a1ng v\u00e0 b\u1ea3o v\u1ec7 m\u00f4 x\u01b0\u01a1ng.<\/p>\n

\"C\u00f4ng
M\u00e0ng X\u01b0\u01a1ng 1<\/figcaption><\/figure>\n

Ph\u1ea3n \u1ee9ng c\u1ee7a m\u00e0ng x\u01b0\u01a1ng<\/strong><\/p>\n

Ph\u1ea3n \u1ee9ng c\u1ee7a m\u00e0ng x\u01b0\u01a1ng th\u01b0\u1eddng x\u1ea3y ra khi x\u01b0\u01a1ng b\u1ecb t\u1ed5n th\u01b0\u01a1ng ho\u1eb7c nhi\u1ec5m tr\u00f9ng. Khi x\u01b0\u01a1ng b\u1ecb t\u1ed5n th\u01b0\u01a1ng, m\u00e0ng x\u01b0\u01a1ng s\u1ebd k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh ph\u1ee5c h\u1ed3i, s\u1ea3n xu\u1ea5t m\u00f4 x\u01b0\u01a1ng m\u1edbi \u0111\u1ec3 thay th\u1ebf ph\u1ea7n b\u1ecb h\u01b0 h\u1ea1i. \u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o x\u01b0\u01a1ng.<\/p>\n

C\u00e1c t\u00ecnh tr\u1ea1ng nh\u01b0 nhi\u1ec5m tr\u00f9ng, ch\u1ea5n th\u01b0\u01a1ng, u b\u01b0\u1edbu, v\u00e0 c\u00e1c b\u1ec7nh l\u00fd v\u1ec1 kh\u1edbp c\u00f3 th\u1ec3 g\u00e2y ra ph\u1ea3n \u1ee9ng c\u1ee7a m\u00e0ng x\u01b0\u01a1ng. Ph\u1ea3n \u1ee9ng n\u00e0y c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y theo c\u01b0\u1eddng \u0111\u1ed9, t\u00ednh x\u00e2m l\u1ea5n, v\u00e0 th\u1eddi gian t\u1ed5n th\u01b0\u01a1ng c\u1ee7a m\u00e0ng x\u01b0\u01a1ng.<\/p>\n

\u0110\u1ec3 quan s\u00e1t ph\u1ea3n \u1ee9ng c\u1ee7a m\u00e0ng x\u01b0\u01a1ng, ch\u00fang ta c\u1ea7n x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 t\u00ednh x\u00e2m l\u1ea5n c\u1ee7a t\u1ed5n th\u01b0\u01a1ng, c\u0169ng nh\u01b0 th\u1eddi gian m\u00e0ng x\u01b0\u01a1ng b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n

\"H\u00ecnh
M\u00e0ng X\u01b0\u01a1ng 2<\/figcaption><\/figure>\n

Th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o c\u1ee7a x\u01b0\u01a1ng<\/strong><\/p>\n

X\u01b0\u01a1ng l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng x\u01b0\u01a1ng, gi\u00fap b\u1ea3o v\u1ec7 c\u01a1 th\u1ec3, h\u1ed7 tr\u1ee3 di chuy\u1ec3n, l\u01b0u tr\u1eef kho\u00e1ng ch\u1ea5t v\u00e0 s\u1ea3n xu\u1ea5t t\u1ebf b\u00e0o m\u00e1u. C\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o ch\u00ednh c\u1ee7a x\u01b0\u01a1ng bao g\u1ed3m:<\/p>\n

1. Collagen:
\n– L\u00e0 m\u1ed9t lo\u1ea1i protein gi\u00fap x\u01b0\u01a1ng m\u1ec1m d\u1ebbo v\u00e0 gi\u1ea3m thi\u1ec3u nguy c\u01a1 g\u00e3y.<\/p>\n

2. Kho\u00e1ng ch\u1ea5t:
\n– Canxi v\u00e0 phospho: Hai kho\u00e1ng ch\u1ea5t n\u00e0y t\u1ea1o ra m\u1ed9t l\u01b0\u1edbi kho\u00e1ng ch\u1ea5t ch\u1eafc ch\u1eafn v\u00e0 c\u1ee9ng \u0111\u1ec3 gi\u00fap x\u01b0\u01a1ng ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c t\u00e1c \u0111\u1ed9ng.<\/p>\n

3. T\u1ebf b\u00e0o:
\n– Osteoblasts: T\u1ebf b\u00e0o s\u1ea3n xu\u1ea5t m\u00f4 x\u01b0\u01a1ng m\u1edbi.
\n– Osteoclasts: T\u1ebf b\u00e0o h\u1ee7y ho\u1ea1i m\u00f4 x\u01b0\u01a1ng c\u0169 \u0111\u1ec3 t\u1ea1o kh\u00f4ng gian cho m\u00f4 x\u01b0\u01a1ng m\u1edbi ph\u00e1t tri\u1ec3n.<\/p>\n

4. M\u00e1u:
\n– M\u00e1u ch\u1ea3y qua c\u00e1c m\u1ea1ch m\u00e1u trong x\u01b0\u01a1ng, mang ch\u1ea5t dinh d\u01b0\u1ee1ng v\u00e0 oxy cho t\u1ebf b\u00e0o x\u01b0\u01a1ng v\u00e0 gi\u00fap s\u1ea3n xu\u1ea5t t\u1ebf b\u00e0o m\u00e1u.<\/p>\n

Ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i x\u01b0\u01a1ng<\/strong><\/p>\n

Sau khi \u0111\u00e3 hi\u1ec3u v\u1ec1 ch\u1ee9c n\u0103ng c\u1ee7a m\u00e0ng x\u01b0\u01a1ng, ch\u00fang ta c\u0169ng n\u00ean t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c lo\u1ea1i x\u01b0\u01a1ng trong c\u01a1 th\u1ec3:<\/p>\n

1. X\u01b0\u01a1ng d\u00e0i:
\n– L\u00e0 c\u00e1c x\u01b0\u01a1ng \u1edf t\u1ee9 chi nh\u01b0 c\u00e1nh tay, c\u1eb3ng ch\u00e2n,… X\u01b0\u01a1ng d\u00e0i th\u00edch h\u1ee3p cho vi\u1ec7c v\u1eadn \u0111\u1ed9ng, c\u00f3 c\u1ea5u tr\u00fac bao g\u1ed3m nan x\u01b0\u01a1ng, x\u01b0\u01a1ng x\u1ed1p, v\u00e0 hai \u0111\u1ea7u b\u1ecdc b\u1edfi l\u1edbp s\u1ee5n \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi c\u00e1c x\u01b0\u01a1ng kh\u00e1c.<\/p>\n

2. X\u01b0\u01a1ng ng\u1eafn v\u00e0 x\u01b0\u01a1ng d\u1eb9t:
\n– X\u01b0\u01a1ng ng\u1eafn: \u1ede c\u1ed5 tay, c\u1ed5 ch\u00e2n, ch\u1ee7 y\u1ebfu th\u1ef1c hi\u1ec7n c\u00e1c \u0111\u1ed9ng t\u00e1c h\u1ea1n ch\u1ebf v\u00e0 \u0111\u00f2i h\u1ecfi s\u1ef1 m\u1ec1m d\u1ebbo.
\n– X\u01b0\u01a1ng d\u1eb9t: \u1ede b\u1ea3 vai, x\u01b0\u01a1ng ch\u1eadu, v\u00e0 v\u00f2m h\u1ecdng, c\u00f3 nhi\u1ec7m v\u1ee5 b\u1ea3o v\u1ec7 c\u01a1 th\u1ec3. C\u1ea3 hai lo\u1ea1i x\u01b0\u01a1ng n\u00e0y th\u01b0\u1eddng c\u1ee9ng v\u00e0 c\u00f3 ch\u1ee9a t\u1ee7y \u0111\u1ecf trong c\u00e1c h\u1ed1c x\u01b0\u01a1ng nh\u1ecf.<\/p>\n

3. X\u01b0\u01a1ng v\u1eebng:
\n– L\u00e0 c\u00e1c x\u01b0\u01a1ng nh\u1ecf n\u1eb1m trong g\u00e2n c\u01a1, gi\u00fap gi\u1ea3m ma s\u00e1t gi\u1eefa x\u01b0\u01a1ng v\u00e0 g\u00e2n, h\u1ed7 tr\u1ee3 m\u00e0ng x\u01b0\u01a1ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n

4. X\u01b0\u01a1ng b\u1ea5t \u0111\u1ecbnh h\u00ecnh:
\n– L\u00e0 c\u00e1c x\u01b0\u01a1ng c\u00f3 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p, kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o c\u00e1c lo\u1ea1i x\u01b0\u01a1ng ch\u00ednh. Ch\u00fang c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng c\u1ed1 \u0111\u1ecbnh m\u00e0 thay \u0111\u1ed5i theo v\u1ecb tr\u00ed t\u1ef1 nhi\u00ean c\u1ee7a n\u00f3 trong c\u01a1 th\u1ec3.<\/p>\n

Nh\u1eefng th\u00f4ng tin n\u00e0y gi\u00fap ch\u00fang ta c\u00f3 c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a x\u01b0\u01a1ng trong c\u01a1 th\u1ec3.<\/p>\n

Xem th\u00eam c\u00e1c ki\u1ebfn th\u1ee9c kh\u00e1c<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Kh\u00e1m ph\u00e1 v\u1ec1 m\u00e0ng x\u01b0\u01a1ng Kh\u1ea3 n\u0103ng quan s\u00e1t m\u00e0ng x\u01b0\u01a1ng M\u00e0ng x\u01b0\u01a1ng kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y ch\u1ec9 b\u1eb1ng c\u00e1ch ch\u1ee5p phim X-quang. \u0110\u1ec3 quan s\u00e1t r\u00f5 h\u01a1n, ch\u00fang ta c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 si\u00eau \u00e2m ho\u1eb7c c\u1ed9ng h\u01b0\u1edfng t\u1eeb. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 b\u1ed9 ph\u1eadn n\u00e0y trong […]<\/p>\n","protected":false},"author":1,"featured_media":3694,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nxb":"","tac-gia":"","the-loai":"","nam-xuat-ban":"","ngon-ngu":"","isbn":"","gia":"","muc-luc":"","footnotes":""},"categories":[19],"tags":[],"class_list":["post-3689","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/posts\/3689","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/comments?post=3689"}],"version-history":[{"count":4,"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/posts\/3689\/revisions"}],"predecessor-version":[{"id":3696,"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/posts\/3689\/revisions\/3696"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/media\/3694"}],"wp:attachment":[{"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/media?parent=3689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/categories?post=3689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bsvothanhtoan.com\/en\/wp-json\/wp\/v2\/tags?post=3689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}