A stock fund that allows an investor to exchange his or her large holding of a single stock for units in a portfolio.Exchange funds provides investors with a easy way to diversify their holdings, while deferring any taxes from capital gains.Also known as a swap fund. stock fund that allows an investor to exchange his or her large holding of a single stock for units in a portfolio.
1. heterograft-tissue from an animal of one species used as a temporary graft (as in cases of severe burns) on an individual of another species. xenograft. graft, transplant - (surgery) tissue or organ transplanted from a donor to a recipient; in some cases the patient can be both donor and recipient.
When the cells are collected from the same patient on whom they will be used, it is called autologous and when collected from identical individuals, it is referred to as syngeneic. A syngeneic graft is known as an isograft. It is contrasted with Autotransplantation (from one part of the body to another in the same person), allotransplantation (from other individual of same species), and xenotransplantation (from other species).