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Esofagul are rolul principal de a transorta alimentele din faringe in stomac, Pentru a indeplini acest rol are 2 tipuri de miscari peristaltice ( PERISTÁLTIC, -Ă adj. Mișcări peristaltice = mișcări prin care esofagul, stomacul și intestinele se contractă, favorizând deglutiția și apoi digestia. [< fr. péristaltique, cf. gr. peri – împrejur, stellein – a comprima].) : primar si secundar. Peristaltismul primar este controlat de:
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Sistemul nervos enteric
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Maduva spinarii
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Nervul vagal
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Trunchiul cerebral
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The correct answer is "Nervul vagal" because the vagus nerve plays a crucial role in controlling the primary peristalsis of the esophagus. The vagus nerve is a part of the parasympathetic nervous system and innervates the smooth muscles of the esophagus, allowing it to contract and propel food towards the stomach. This nerve also helps in regulating other digestive functions such as gastric secretion and motility.
