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Cryonics: Difference between revisions
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The "put-down" cycle takes [[seven]] minutes.<ref name="encyc1"/> During the first four minutes anesthetic gas causes the subject to become drowsy. Then another gas reacts to form a [[bronchial surfactant]] when inhaled, coating the passages of the lungs to help ensure a smooth wake cycle. | The "put-down" cycle takes [[seven]] minutes.<ref name="encyc1"/> During the first four minutes anesthetic gas causes the subject to become drowsy. Then another gas reacts to form a [[bronchial surfactant]] when inhaled, coating the passages of the lungs to help ensure a smooth wake cycle. | ||
[[Cytoprethaline]], a drug used by the UNSC during cryo-sleep, prevents damage to the occupants' cell membranes caused by ice crystal formation. It is recommended that a doctor administer the drug, but most of the time the shot is administered by a medic or by a pre-measured self-injector.<ref name="encyc1"/> | [[Cytoprethaline]], a drug used by the UNSC during cryo-sleep, prevents damage to the occupants' cell membranes caused by ice crystal formation. It is recommended that a doctor administer the drug, but most of the time the shot is administered by a medic or by a pre-measured self-injector.<ref name="encyc1"/> Some humans, such as [[Thomas Lasky]], exhibit a rare allergic reaction to cytoprethaline. Due to the frequent use of cryosleep in the UNSC during interstellar voyages, severe instances of such condition are grounds for a medical discharge from UNSC service.<ref>[https://www.halowaypoint.com/en-us/universe/tech/cytoprethaline '''Halo Waypoint''': ''Cytoprethaline'']</ref> | ||
Once the subject is prepped, the chamber automatically proceeds to the freezing stage. The unit begins to rapidly cool the body and administers an electric current that precisely counters the normal wave across the heart muscle, stopping its rhythm. The unit reaches the optimal storage temperature in three minutes.<ref name="encyc1"/> | Once the subject is prepped, the chamber automatically proceeds to the freezing stage. The unit begins to rapidly cool the body and administers an electric current that precisely counters the normal wave across the heart muscle, stopping its rhythm. The unit reaches the optimal storage temperature in three minutes.<ref name="encyc1"/> | ||
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*Theoretically, no harm would come to subjects in suspension for hundreds of years or more, presuming no interruption occurred in the power supply to the chamber. However, there have been no instances where an individual was suspended for such a length of time.<ref name="encyc1"/> | *Theoretically, no harm would come to subjects in suspension for hundreds of years or more, presuming no interruption occurred in the power supply to the chamber. However, there have been no instances where an individual was suspended for such a length of time.<ref name="encyc1"/> | ||
*Even though humans must enter a cryo-tube naked or risk being blistered when they emerge, [[Ellen Anders|Professor Ellen Anders]] of ''[[Halo Wars]]'', Dr. [[Catherine Halsey]] in ''[[The Package]]'' and [[Jacob Keyes]] in ''[[Halo: Fall of Reach - Boot Camp]]'' entered their tubes fully clothed. These were cases of artistic license, however, since showing nudity would force up the content ratings of the media in question. For similar reasons, the cadets in ''Halo 4: Forward Unto Dawn'' are clothed in cryo-sleep, although this is given a fictional explanation in the form of dedicated "cryo-suits". | *Even though humans must enter a cryo-tube naked or risk being blistered when they emerge, [[Ellen Anders|Professor Ellen Anders]] of ''[[Halo Wars]]'', Dr. [[Catherine Halsey]] in ''[[The Package]]'' and [[Jacob Keyes]] in ''[[Halo: Fall of Reach - Boot Camp]]'' entered their tubes fully clothed. These were cases of artistic license, however, since showing nudity would force up the content ratings of the media in question. For similar reasons, the cadets in ''Halo 4: Forward Unto Dawn'' are clothed in cryo-sleep, although this is given a fictional explanation in the form of dedicated "cryo-suits". | ||
==Gallery== | ==Gallery== | ||