tomentum
nounA covering of dense matted hairs.
nounIn botany, a species of pubescence, consisting of longish, soft, entangled hairs, pressed close to the surface.
nounIn anatomy, the flocculent inner surface of the pia mater: more fully called
The closely matted hair or downy nap covering the leaves or stems of some plants.
nounA mass of
A covering of fine, soft hairs; a
A network of fine
filamentous hairlike growth on a plant
nouna network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex