Highly permeable, these tiny vessels absorb excess fluid and channel it to larger lymphatic collecting vessels that carry lymph to the lymph trunks. These unite to form lymph ducts, which, in turn, empty into the veins.
Limfkapilāri, kuru sienām piemīt ārkārtīgi liels caurlaidīgums, uzsūc šķidruma pārpalikumu un aizgādā to uz lielākiem limfvadiem, no kuriem limfa ieplūst limfātiskajos stumbros.