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.
radiograph. n. 1. (Photography) an image produced on a specially sensitized photographic film or plate by radiation, usually by X-rays or gamma rays. Also called: radiogram or shadowgraph. 2. (Medicine) an image produced on a specially sensitized photographic film or plate by radiation, usually by X-rays or gamma rays.