n. 1. a soft mass of tissue (for example, of the *spleen, in which there is both red pulp and white pulp). 2. the mass of connective tissue in the pulp cavity, at the centre of a *tooth. It is surrounded by dentine except where it communicates with the rest of the body at the apex. The pulp within the crown portion of the pulp cavity is described as coronal pulp; that within the root canal is the radicular pulp. 3. the fleshy cushion on the flexor surface of the fingertip.
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