Example image of eyePlorer eyePlorer map for 'Cryopreservation': Cell (biology) Liquid nitrogen Temperature Tissue (biology) Programmed cell death Freezing Vitrification Extracellular Intracellular Cryoprotectant Ice Organism Controlled-Rate and Slow Freezing in Cryopreservation Antifreeze Amorphous ice Crystal Dimethyl sulfoxide Toxicity Heart Liver Organ transplant Blood Conservation biology Embryo Histology Oocyte Oocyte cryopreservation Plant Stem cell Tumor Cryonics Information-theoretic death Semen In vitro fertilisation Human Fertilisation and Embryology Act 1990 Sugar Tardigrade Trehalose Biological membrane Gaia hypothesis James Lovelock Osmosis Cryostasis (clathrate hydrates) Brian Wowk CryoLife Jerry Leaf Neuropreservation Twenty-First Century Medicine Alcor Life Extension Foundation Characters of Austin Powers