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目錄
(1)基本既心臟介紹
lihkg.com/thread/649350
(2)基本既肺部介紹
lihkg.com/thread/652225
(3)基本既腎臟介紹
lihkg.com/thread/665504
(4)基本既胃部介紹
lihkg.com/thread/673704
(5)基本既小腸介紹
lihkg.com/thread/685309
建議由第一期開始慢慢睇
想睇最新目錄請自行起底去最新個post
歡迎留言 一齊討論 你問我唔一定會答
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The next digestive organ is the colon, or the large intestine.
下一個消化系統器官我唸大家都估到，就係大腸 (colon)。
Colon is like a cotton, with good ability of water absorption. The colon is responsible in absorption of water and ions. It is also a place for the bacteria to live.
大腸有D似棉花，吸水力都好勁，吸濕大笨象~ 大腸既主要用途係在於吸收電解質同埋水，再比個地方d菌住下，等d菌幫手消化一d我地消化唔到既野。
Let's look into the colon.
我地黎睇睇大腸啦。
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The colon can divided into 6 main parts, they are cecum, ascending colon, transverse colon, descending colon, sigmoid colon and rectum.
大腸可以分做6個部分，分別係盲腸 (cecum)，升結腸 (ascending colon)，橫結腸 (transverse colon)，降結腸 (descending colon)，乙狀結腸(sigmoid colon)同埋直腸(rectum)。
順便講句，係中文大腸同結腸係一樣既野，同英文差唔多，雖然有兩個名都係有唔同想表達既野既，不過唔緊啦，有d野約定俗成左就可以啦。
Cecum, the first part of colon, connected to the ileum of the small intestine. The inferior part of cecum is connected to the appendix, which is considered as a useless tissue.
盲腸係大腸既第一個部分，連接迴腸，而盲腸既底部有條野，叫做闌尾 (appendix)，依條野就係消化系統入面最易要做手術既部分，西醫暫時都重覺得佢冇撚用。(其實有d關於闌尾既研究結果指向闌尾有效幫助大腸既益菌再生，不過重有待證實既)
Ascending colon, as named, ascending part of the colon.
升結腸就好似個名咁講，係大腸上升緊既部分。
Transverse colon, as named, transversing part of the colon.
橫結腸就好似個名咁講，係大腸橫向緊既部分。
descending colon, as named, descending part of the colon.
降結腸就好似個名咁講，係大腸下降緊既部分。
Sigmoid colon, the second last part of the colon, connects the colon from anterior to posterior regions of the body. It forms a 'S' shape so it is called 'sigmoid'.
乙狀結腸就係大腸尾二既部分，由於佢將大腸由貼向個肚帶到貼向個背，形成一個「乙」字型，所以叫乙狀結腸。
rectum, the last part of the colon, it's a straight portion, also where feces being stored. The ending of the rectum is the anus, with anal canal inbetween. Like the urinary bladder, we have both voluntary and involuntary sphincter at the opening of the anus.
直腸就係大腸最後一個部分啦，佢之所以叫直腸就係因為佢係打直既，廢話
直腸亦都係糞便 (feces) 既儲存點。直腸既尾端開口叫做肛門 (anus)，甲甲既聖地。就好似膀胱，肛門都有兩舊括約肌，一舊可以自主控制，一舊唔得。____________________________
There are intestinal glands in the colon also, details in the small intestine article.
大腸都有腸腺，唔知咩係腸腺既可以睇番「基本既小腸介紹」。
But in the colon, there are no brush borders and digestion enzymes.
不過係大腸呢，就唔會好似小腸咁有消化酶同刷狀緣啦。
And the enterocytes of the colon are specified on electrolytes absorption.
同埋大腸既腸上皮細胞比起小腸，會更加著重於吸收電解質。(注意唔係水，大腸係唔會主動吸水，只靠滲透作用吸水)
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When the chyme past into the colon from the ileum, they are already been well digested. But still, there are a few remaining water and mainly indigestable substances.
當食糜經過迴腸進入大腸，就已經消化得七七八八，正常黎講都幾乾下，但都重有小小水同埋消化唔到既食物剩底。
Therefore, the jobs of the colon is to absorb the remaining water and give a place for the bacteria to digest the indigestable substances.
水係好重要既，所以呢，大腸既主要工作係唸辦法令到d水入我地身體，當然重有比地既益菌地方做野啦。
Indigestable substances are just the works of the bacteria, how about water? The chyme pasts into the colon is very concentrated, the colon needs to find a way to absorb the remaining water. Here's the way.
消化一d我地消化唔到既野就係益菌做既野啦，而水呢就係大腸自己唸計啦，但係黎到大腸既食糜已經好鬼乾，根本做唔到水滲透入大腸，差d重可能掉番轉tim，所以呢大腸就做左d野令到剩底既水都盡量滲入大腸。
(1) The colon absorbs the electrolytes like sodium and chloride.
(一) 講過啦，大腸既腸上皮細胞既強項係吸收電解質，所以呢大腸會吸收好多電解質。
(2) There are greater concentration gradients in water.
(二) 就係咁，大腸同食糜之間形成水既濃度對比。
(3) Water goes into our body through osmosis because of the concentration gradients in water.
(三) 就係因為濃度對比令水由食糜進一步滲透入去大腸。
(4) The chyme is finally fully processed by the digestive system and stored in the rectum.
(四) 走過曬成條大腸，食糜終於完成左佢既消化之旅，變成左屎留係直腸。
(5) A signal comes, defecation occurs.
(五) 柯屎信號到，去廁所進行排便 (defecation)。
(6) Wooo... KiMoChi
首尾呼應
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