She stared out the window at the colorless winter landscape.

med., Longitudinally running comparatively colorless central (medullary) branches, which conduct food substances and support the (ass.

The primitive cell sends colorless tubelets (rhizoids, rh.) into the mud on which it grows.

The fundamental substance or stroma is colorless and homogeneous.

In the bulky forms colorless branches frequently grow out from some of the cortical cells, and, pushing among the already-formed threads in a longitudinal direction, serve to strengthen the thallus by weaving its original threads together.