20xx年醫(yī)學(xué)專題—-3-消化管2(咽-肛管-雙語(yǔ)版)-資料下載頁(yè)
2024-10-31 12:03本頁(yè)面
【正文】 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(yè)，共四十五頁(yè)。,Rectum,第三十二頁(yè)，共四十五頁(yè)。,★ 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(yè)，共四十五頁(yè)。,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(yè)，共四十五頁(yè)。,第三十五頁(yè)，共四十五頁(yè)。,第三十六頁(yè)，共四十五頁(yè)。,第三十七頁(yè)，共四十五頁(yè)。,胃鏡檢查(jiǎnch225。),第三十八頁(yè)，共四十五頁(yè)。,Summary,第三十九頁(yè)，共四十五頁(yè)。,Pharynx,Three segments Nasopharynx Oropharynx Laryngopharynx,第四十頁(yè)，共四十五頁(yè)。,Esophagus,Three constrictions 1. positions。 2. how long from the incisors。 3. lies at level of vertebral.,第四十一頁(yè)，共四十五頁(yè)。,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(yè)，共四十五頁(yè)。,Stomach,第四十三頁(yè)，共四十五頁(yè)。,Thanks Pay Attention,第四十四頁(yè)，共四十五頁(yè)。,內(nèi)容(n232。ir243。ng)總結(jié),Mouth。Abdominal part: 12cm。Pyloric part。Body of stomach。Serous (visceral peritoneum)。4. Ascending part。Usually asymptomatic but:。Approximately 1.5m long,第四十五頁(yè)，共四十五頁(yè)。,
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