macula utriÂ´culi a thickening in the wall of the utricle where the epithelium contains hair cells that are stimulated by linear acceleration and deceleration and by gravity. , pl.
Chico is the most populous city in Butte County, California, United States. The population was 86,187 at the 2010 census, up from 59,954 at the time of the 2000 census.
The Chico area is located in the northern part of the Sacramento Valley and surrounded by mountains. The Sierra Nevada mountain range is to the south of Chico and the California Coastal Range to the west. During the winter season Chico gets much rain that fills up Big Chico Creek which runs through Upper Bidwell Park.