4-3-消化管2(咽-肛管-雙語版)-資料下載頁
2025-09-25 00:58本頁面
【正文】 – Coronal plane ? Upper and lower part－ convex to the right ? Middle part－ convex to the left ? Ampulla of rectum – Lower part of rectum dilated ? Transverse folds of rectum (3) 第三十一頁，共四十五頁。 Rectum 第三十二頁，共四十五頁。 ★ Anal canal ? Structures ★ – Anal columns : 6 － 10 in number – Anal valves – Anal sinuses – Anorectal line – Dentate line ? Above line, of endodermal origin ? Below line, of ectodermal origin – Anal pecten – White line (Hilton’s line) – Anus 第三十三頁，共四十五頁。 ? Anal sphincters – Sphincter ani internus – Sphincter ani externus ? Anorectal ring – At junction of rectum and anal canal – Consists of thickened muscle – Contributing structures ? Levator ani ? Superficial and deep parts of sphincter ani externus ? Sphincter ani internus ★ Anal canal 第三十四頁，共四十五頁。 第三十五頁，共四十五頁。 第三十六頁，共四十五頁。 第三十七頁，共四十五頁。 胃鏡檢查 第三十八頁，共四十五頁。 Summary 第三十九頁，共四十五頁。 Pharynx ? Three segments – Nasopharynx – Oropharynx – Laryngopharynx 第四十頁，共四十五頁。 Esophagus Three constrictions 1. positions。 2. how long from the incisors。 3. lies at level of vertebral. 第四十一頁，共四十五頁。 Stomach Shape ? Two surface: anterior and posterior ? Two curvatures – Lesser curvature of stomach ? short, concave and directed to the right and upward ? near its lower part is angular incisure – Greater curvature of stomach ? long, convex and directed to the left and downward ? at the junction of left margin of esophagus and greater curvature is cardiac incisure ? Two openings – Cardia – Pylorus ? Two incisure 第四十二頁，共四十五頁。 Stomach Cardiac part Fundus of stomach Body of stomach Pyloric antrum Pyloric canal Pyloric part 第四十三頁，共四十五頁。 第四十四頁，共四十五頁。 內(nèi)容總結(jié) Mouth。 Abdominal part: 12cm。 Pyloric part。 Body of stomach。 Serous (visceral peritoneum)。 4. Ascending part。 Usually asymptomatic but:。 Approximately long, 第四十五頁，共四十五頁。
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