Phloem kalma ce ta ilmin halitta wacce ke nufin jijiyar jijiyoyin jiki a cikin tsire-tsire da ke da alhakin jigilar sukari, abubuwan gina jiki, da sauran mahadi daga ganye da sauran gabobin hoto zuwa wasu sassan shuka. Phloem ya ƙunshi nau'ikan sel daban-daban, gami da tubes sieve, sel abokan aiki, da zaruruwa, kuma galibi yana tare da xylem, wani nau'in nama na shuka wanda ke da alhakin jigilar ruwa da ma'adanai. Kalmar “phloem” ta fito daga kalmar Helenanci “phloos,” ma’ana “ haushi.”