EntityQ1756808· pop 16· linked from 102 articlesrete mirabileSign in to savecomplex of arteries and veins lying very close to each other, found in some vertebrates, mainly warm-blooded ones.ConnectionsInternational Standard Serial NumberEntitycapillaryEntitymicrocirculationEntitycountercurrent exchangeEntitydogEntityLatinEntitybirdEntityhumanEntityfishEntityheartEntityoxygenEntitysheepEntitymammalEntitylungEntitysharkEntitygasEntitytemperatureEntityInternational Standard Book NumberEntitykidneyEntityVertebrataEntityCategoriesCardiovascular system anatomyCirculatory systemLatin biological phrasesVertebrate anatomy