MD Question about endocrine pathology(hyperthyroidism)

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JustAstud3nt

New Member
7+ Year Member
I am having a hard time understanding a paragraph from "Robbins and Cotran Pathologic Basis of Disease 9th Edition", particularly in hyperthyroidism topic in endocrine pathology. The paragraph is
" In the gastrointestinal system, sympathetic hyperstimulation of the gut results in hypermotility, diarrhea, and malabsorption. ".
My question is how does sympathetic overstimulation causes hypermotility when stimulating Beta receptors causes inhibtion in gut motility and stimulating alpha receptors causes contraction in GIT sphincters.
Thanks in advance.