Definition of cell body in US English:

cell body

noun

Biology
  • 1A cell of a unicellular organism, constituting its entire body.

  • 2The main body of a cell, containing its nucleus and organelles (as opposed to various projections or elements of external structure such as cell wall, flagella, dendrites, etc.).

Origin

Mid 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist.