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Before We Are Born

12-143 DEVELOPMENT OF SPLEEN - Before We Are Bornを読む

12-143 DEVELOPMENT OF SPLEEN 脾臓の発生 The spleen is derived from a mass of mesenchymal cells located between the layers of the dorsal mesogastrium. 脾臓は背足胃間膜の層の間に位置する間葉細胞の塊に由来する。 The spleen, a vascular lymphat…

12-143t ANNULAR PANCREAS - Before We Are Bornを読む

ANNULAR PANCREAS 輪状膵 Annular pancreas is an uncommon birth defect, but it warrants attention because it may cause duodenal obstruction. 輪状膵はめったにみられない先天性異常であるが、十二指腸の閉塞を引き起こすので、注意することは当然のこ…

12-143 Development of Pancreas - Before We Are Bornを読む

Development of Pancreas 膵臓の発達 The pancreas develops between the layers of the mesenteries from dorsal and ventral pancreatic buds, which arise from the caudal part of the foregut. 膵臓は間膜の層の間で、前腸の尾側部分から起こる、背側と…

12-142t EXTRAHEPATIC BILIARY ATRESIA - Before We Are Bornを読む

EXTRAHEPATIC BILIARY ATRESIA 肝外胆道閉鎖症 This is the most serious birth defect involving the extrahepatic biliary system, and it occurs in 1 in 5000 to 20,000 live births. これは肝外胆道系の最も深刻な先天性異常で、出生5,000から20,000人…

12-142t BIRTH DEFECTS OF LIVER - Before We Are Bornを読む

BIRTH DEFECTS OF LIVER 肝臓の先天性異常 Minor variations of liver lobulation are common; however, birth defects are rare. 肝臓の分葉の小さな変異はよく見られるが、先天性異常は稀である。 Variations of hepatic ducts, bile duct, and cystic duc…

12-141t DUODENAL ATRESIA - Before We Are Bornを読む

DUODENAL ATRESIA 十二指腸閉鎖症 Complete occlusion of the duodenum—duodenal atresia—is not common. 十二指腸の完全閉塞 – (先天性)十二指腸閉鎖症 – は一般的でなはい。 During early development, the duodenal lumen is completely occluded by epit…

12-141 Development of Liver and Biliary Apparatus - Before We Are Bornを読む

Development of Liver and Biliary Apparatus 肝臓と胆管の装置の発達 The liver, gallbladder, and biliary duct system arise as a ventral outgrowth—hepatic diverticulum—from the caudal part of the foregut early in the fourth week. 肝臓、胆嚢、…

12-141t DUODENAL STENOSIS - Before We Are Bornを読む

DUODENAL STENOSIS 十二指腸狭窄 Partial occlusion of the duodenal lumen—duodenal stenosis— is usually caused by incomplete recanalization of the duodenum, resulting from defective vacuolization. 十二指腸内腔の部分的閉塞 -十二指腸狭窄– は、…

12-138 Development of Stomach- Before We Are Bornを読む

12-138 Development of Stomach During the fourth week, a slight dilation of the tubular foregut indicates the site of the primordial stomach. It first appears as a fusiform enlargement of the caudal part of the foregut that is oriented in t…

12-138t ESOPHAGEAL STENOSIS - Before We Are Bornを読む

12-138t ESOPHAGEAL STENOSIS Narrowing of the lumen of the esophagus (stenosis) can occur anywhere along the esophagus, but it usually occurs in the distal one third, either as a web or as a long segment of esophagus. with a thread-like lum…

12-138t ESOPHAGEAL ATRESIA - Before We Are Bornを読む

12-138t ESOPHAGEAL ATRESIA 食道閉鎖症 Blockage (atresia) of the esophageal lumen occurs in approximately 1 in 3000 to 1 in 4500 neonates. Approximately one third of affected infants are born prematurely. Esophageal atresia is frequently as…

12-138 Development of Esophagus - Before We Are Bornを読む

Development of Esophagus 食道の発達 The esophagus develops from the foregut immediately caudal to the pharynx. 食道は咽頭の尾側にすぐ接して、前腸より発達する。 Initially, the esophagus is short, but it elongates rapidly and reaches its fin…

12-137-2 FOREGUT - Before We Are Bornを読む

FOREGUT 前腸 The derivatives of the foregut are the: Primordial pharynx and its derivatives Lower respiratory system Esophagus and stomach Duodenum, just distal to the opening of the bile duct Liver, biliary apparatus (hepatic ducts, gallb…

12-137-1 Alimentary System - Before We Are Bornを読む

Before We Are Born - Essentials of Embryology and Birth Defects 9E Alimentary System 消化器系 The alimentary system (digestive system) is the digestive tract from the mouth to the anus with all its associative glands and organs. 消化器系は…