||This article is about the trinket. For the item, see Stem Cells.
Stem Cell is a trinket added in The Binding of Isaac: Afterbirth † expansion.
- Heals for half a heart upon traveling to the next floor.
- Maggy's BowGives one heart container and doubles the healing provided by red hearts.: No effect.
- A Stem Cell is an undifferentiated cell of a multicellular organism that is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.