Digestive System

The digestive system provides the necessary assimilation of it as an energy source, as well as for cell renewal and growth nutrients. Digestive system of man before the digestive tube, large digestive glands (salivary glands, pancreas, liver), as well as many small glands which lie in the mucosa of digestive tract. The total length of the digestive tract from the mouth to the anus is 8-10 m. For the most part it is a curved tube in the form of loops and consists of passing one into the other parts of the mouth, pharynx, esophagus, stomach, small, thick and straight bowel.

In Fig. 151.
Digestive system
1 - parotid gland;
2 - teeth;
3 - the mouth;
4 - gulp;
5 - language;
6 - the sublingual gland;
7 - podnizhnechelyustnaya iron;
8 - esophagus;
9 - stomach;
10 - the liver;
11 - the common bile duct;
12 - constrictor (sphincter) gatekeeper;
13 - gall bladder;
14 - pancreas;
15 - the duodenum;
16 - a sharp bend of the duodenum;
17 - left flexure of the colon;
18 - right bend of the colon;
19 - jejunum;
20 - ascending colon;
21 - the descending colon;
22 - transverse colon;
23 - ileocecal valve;
24 - cecum;
25 - appendix;
26 - ileum;
27 - the sigmoid colon;
28 - rectum;
29 - external anal sphincter

From the esophagus to the rectum wall lining the digestive tube are formed from within the mucous membrane (tunica mucosa), submucosa (tela submucosa), the muscle membrane (tunica muscularis), the outer serosa, or connective, membrane (tunica adventitia).





List of Abbreviations

a., aa. — arteria, arteriae (artery, the artery)

lig., ligg. — ligamentum, ligamenta (ligament, the ligaments)

m., mm. — musculus, musculi (muscle, the muscle)

n., nn. — nervus, nervi (nerve, the nerve)

r., rr. — ramus, rami (branch)

s. — seu (or)

v., vv. — vena, venae (vienna)