Chapter 15

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Chapter 15. . Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. (gastrointestinal system) ; , , , , . ; , . , . , ( ) . - 15 ( ) , . - . 1. ( ) . (digestion) . 2. , , . (secretion) . 3. . (absorption) . 4. , , 2 . 1) , 2) . (mobility) . 5. . . Fig. 1. : . 3 * . (chyme) . Fig. , * (duodenum), (jejunum), (ileum) , . . * (rectum) . Fig. . . . . . . . . . . Fig. , , 1 . 2. . . . 1. . , , , . 2. (lamina propria) , , . 3. , , . 4. ( ) . 5. . . 1) (circular muscle) . 2) (longitudinal muscle) . ; 2 (myenteric plexus). 6. (serosa) . * (villi) . . - , , 600 , 300 m2 . * , . * 170 . 5 . * ( ) . . . . * , , , . . , . . * . . . 3. . 1. . - 2/3 , 1/3 , . - ( ) , . - , . . - . . , . 2 . 2. . - ( ) , (carboxypeptidase) . (aminopeptidase) . . - 2 . - 20 . - . . - . - endocytosis exocytosis . 3. . - (lipase) . 2 . - . ; . , . (emulsification) . ; . ( ). 3 . , . 2 (micelle, . 4-7 nm ) . , , , . , , . 1 . (chylomicrons) , , , , . . . . 4. . A, D, E, K . . . ; B12 (intrinsic factor).

* 내강표면에서소장의내강으로의연결부분에융모(villi) 가존재하며각각의융모에는 미세융모가존재. - 포개진점막, 융모 ...