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• n  a small sac or pouch (especially the smaller chamber of the membranous labyrinth)

• He as found that there are five theories for its causation: 1) the labyrinthine (the ear contains two tiny sacs, the utricle and the saccule, and three semicircular canals .
• But it is the utricle that responds to acceleration, and the saccule to deceleration.

• sacculus

News & Articles

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• Lloyd Center apartment complex could be city's largest: North and Northeast Portland news
  And Northeast Portland's Sacajawea dog Park got an upgrade last week.
  Sept. 11, 2013 - The Oregonian
• Sacajawea Dog Park in Northeast Portland renovated on Saturday
  A team of volunteers from the Portland Trail Blazers, Banfield Pet Hospital and the community made improvements to Sacajawea Park's off-leash area on Saturday. Blazers fans voted for the park to get a makeover as part of an ongoing partnership between the basketball team and Banfield.
  Sept. 9, 2013 - The Oregonian