A kind of Utkālika Śruta (a category of Āgamas (canonical works), which is allowed to be studied at all time barring the akāla prahara (i.e., the period in which the study of Āgamas is prohibited));
name of a Prakīraṇaka (1) (Āgama extracted by the Sthaviras (elder ascetics) from the scriptures) in which there is a description of various ascepts of human life, e.g., foetus, human anatomy, ten divisions of life-span of hundreds of years and various physical conditions, food etc., during each of them.
(Nandī 77)