Capillaries (/ËkÃ¦páµ»lÉriz/ in US; /kÉËpÉªlÉriz/ in UK) are the smallest of a body's blood vessels (and lymph vessels) that make up the microcirculation. Their endothelial linings are only one cell layer thick.
The definition of a phonograph is a record player. A player introduced in 1877 to reproduce sounds on which you can play records and listen to the sound through an attached speaker is an example of a phonograph. YourDictionary definition and usage example.
Edisonâs first phonograph was a small model which used as a record a metal cylinder covered with tin foil. The cylinder had an axle running through it so it could be turned. Next to the cylinder was a mouthpiece with a vibrating disc, or diaphragm. A needle attached to this diaphragm touched the cylinder.