tomentum

to·men·tum  (t-mntm)

n. pl. to·men·ta (-t)

1. Anatomy A network of extremely small blood vessels passing between the pia mater and the cerebral cortex.

2. Biology A covering of closely matted woolly hairs.

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[Latin tmentum, cushion stuffing.]

Thesaurus

Noun	1.	tomentum - filamentous hairlike growth on a plant; "peach fuzz" fuzz, hair plant process, enation - a natural projection or outgrowth from a plant body or organ stinging hair - a multicellular hair in plants like the stinging nettle that expels an irritating fluid beard - a tuft or growth of hairs or bristles on certain plants such as iris or grasses
	2.	tomentum - a network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex tomentum cerebri capillary vessel, capillary - any of the minute blood vessels connecting arterioles with venules