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  • Among the given options, select the correct motility pattern that plays a crucial role in the forward movement of chyme along the intricate network of the small intestine

Among the given options, select the correct motility pattern that plays a crucial role in the forward movement of chyme along the intricate network of the small intestine:

Option: 1

Propagating contractile cascade


Option: 2

Intracellular contractile coordination


Option: 3

Neuronal-mediated peristaltic oscillation


Option: 4

Synchronized haustral constriction


Answers (1)

best_answer

Option 1 is the correct answer. This motility pattern refers to the coordinated contraction and relaxation of smooth muscle cells in the small intestine, creating a wave-like movement known as peristalsis. Peristalsis helps propel chyme, the partially digested food, forward along the length of the small intestine for further digestion and absorption of nutrients. The contraction of smooth muscles behind the chyme pushes it forward, while the relaxation of muscles ahead allows the chyme to advance. This sequential contraction and relaxation create a propagating contractile cascade, ensuring efficient movement and mixing of chyme in the small intestine.

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