#semicircular

#Google Search : Semicircular Ducts: There are present three semicircular ducts; the anterior, the posterior and the lateral semicircular ducts. They arise from the utricle. The anterior and posterior

In old houses with slate waterproofing layer nebolshme home bias can cause its faults. If this happens in the same place, on the wall appears semicircular spot of about 1 m in diameter. as with multiple