Bone canaliculi are microscopic canals between the lacunae of ossified bone. The radiating processes of the osteocytes (called filopodia) project into these canals. These cytoplasmic processes are joined together by gap junctions.
MacBook Pro Special Report: High-pitched whining noises: Eliminating. MacBook Pro Special Report: High-pitched whining noises: Eliminating. Many MacBook Pros emit one or more version of a distinct and irritating high-pitched noise. There appear to be various causes for this issue, and various associated workarounds. In most cases, the problem has to do with power draw.
The compressor itself has a motor that can begin making a squealing or screeching noise when it has gone bad. If this is your problem, you will likely hear the noise when your AC unit starts up (or tries to). The fix: You need to replace the compressor.