1) Buddhist text 2) Tantric practice 
Vima Nyingthig or `Vimalamitra`s Seminal Heart` (Tibetan: བི་མ་སྙིང་ཐིག་; Wylie: bi ma snying thig) is a practice lineage of Mantrayana. It is one of the nyingthig or seminal heart ({bo|t=སྙིང་ཐིག|w=snying thig}) teachings of the Mennagde cycle of Dzogchen and was codified and collated by Longchenpa (......