Anatomically
digestive apparatus is divided into the digestive canal (canalis
alimentarius) and cancer (glandulae), located outside the channel
(zastinni gland). Some parts of the alimentary canal wall containing
glandular formation (parietal gland).
Alimentary canal
lined inside mucosa pale pink. This layer has a different structure, due
to the functional purpose of different parts of the channel. In the
connective tissue on the mucosa in some lymphoid organs is education,
serve a protective function, which may take the form of single follicles
(in the jejunum), clusters of follicles - Peyyerovi plaques (in the
ileum) or tonsils (component okolohlotochnoe lymphoid ring). In the
epithelium of the gastrointestinal tract
in its entirety is the endocrine cells. Muscle membrane wall of the
alimentary canal provides peristalsis and promote content. Submucosa and
tunica muscularis abundantly provided with nerve endings that
contribute to the regulation of all functional items.Alimentary
canal origin is divided into primary and tulovyschnoy intestine
(intestinal tube). The Main intestine include oral cavity and pharynx.