autoplast
(ˈɔːtəʊplæst)
[f. auto-1 + -plast.]
a. Embryol. An autogenous cell as distinguished from a cleavage cell. b. Plant Physiol. A chlorophyll granule.
| 1883 E. Ray Lankester in Encycl. Brit. XVI. 682/2 In addition to the layer of cleavage cells..additional cells are formed.., each cell having a separate origin, whence they are termed ‘autoplasts’. 1885 [see trophoplast s.v. tropho-]. |