chromatophore

/kruh-mat-uh-fawr, -fohr, kroh-muh-tuh‐/US // krəˈmæt əˌfɔr, -ˌfoʊr, ˈkroʊ mə tə‐ //UK // (ˈkrəʊmətəˌfɔː) //

色素体,色素柱,色素细胞,色母

Definitions

n.名词 noun

1
- : Zoology. a cell containing pigment, especially one that through contraction and expansion produces a temporary color, as in cuttlefishes.
- : Botany. one of the colored plastids in plant cells.

The pyrenoid is evidently concerned in the formation of the chromatophore, or in its division.
The cell-wall and the chromatophore bands divide, each nucleus passes to the centre, and two new cells are formed.
In C. pediculus, a single chromatophore occurs on the inside of the upper valve.
Schmitz states that the chromatophore is thickened in the middle and contains a pyrenoid.
Chromatophore single, covering the entire interior of the frustule, except the ventral part of the zone and the median lines.