於化地部別萬法為三種：一、一念蘊者，剎那生滅之法也。二、一期蘊者，人自生至死間相續之法也，五根等屬之。三、窮生死蘊者，窮生死而至金剛喻定間相續之法也。
The three kinds of skandhas, aggregations, or combinations, into which all life may be expressed according to the 化地 or Mahīśāsakāh school: 一念蘊 combination for a moment, momentary existence; 一期蘊 combination for a period, e.g. a single human lifetime; 窮生死蘊 the total existence of all beings.
一三蘊 小乘化地部將萬法分成三種，稱為三蘊。即：(1)一念蘊，指剎那生滅之法。(2)一期蘊，指人自生至死間相續之法；五根等屬之。(3)窮生死蘊，指窮生死而至金剛喻定間相續之法。p934