cryopreservation 

 Cryopreservation is freezing cells, tissues, or organs for future use.

Cryopreservation is freezing cells, tissues, or organs for future use.

Reproductive cells, embryos, stem cells, and organs can be preserved.

Cryoprotectants prevent ice crystal formation and damage.

Storage is done in liquid nitrogen 

The technique revolutionized assisted reproductive technology.

It has potential applications in conservation.

Risks to cell viability and functionality exist.

Controversies and ethical concerns surround human embryo storage.

It's not a foolproof method of preservation.

Research continues to improve its efficacy.