A network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex

• Filamentous hairlike growth on a plant

Wikipedia Word definitions in Wikipedia
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.

WordNet Word definitions in WordNet
n. filamentous hairlike growth on a plant; "peach fuzz" [syn: hair , fuzz ] a network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex [syn: tomentum cerebri ] [also: tomenta (pl)]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
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.

Wiktionary Word definitions in Wiktionary
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 ...