What is "tomentum"

Tomentum \To*men"tum\, n.; pl. Tomenta. [L. See Tomentose. ] (Bot.) The closely matted hair or downy nap covering the leaves or stems of some plants.

n. 1 (context botany English) A mass of filamentous hairs on the leaf of a plant. 2 (context zoology English) A covering of fine, soft hairs; a pubescence. 3 (context anatomy English) A network of fine blood vessels between the pia mater and the cerebral cortex.

1. n. filamentous hairlike growth on a plant; "peach fuzz" [syn: hair, fuzz]

2. a network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex [syn: tomentum cerebri]

3. [also: tomenta (pl)]

Tomentum may refer to:

• Plant trichomes, a covering of closely matted or fine hairs on plant leaves.
• Tomentum, short, soft pubescence or a covering of fine, soft hairs.
• A network of minute blood vessels in the brain.

Tomentum in anatomy are a short, soft pubescence or a covering of fine, soft hairs.