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[[File:FUD - Cytoprethaline Injector.jpg|thumb|225px|A cytoprethaline injector in-use.]] | [[File:FUD - Cytoprethaline Injector.jpg|thumb|225px|A cytoprethaline injector in-use.]] | ||
{{Quote|Turns out the cryo blisters and your difficulty breathing are an allergic reaction to the cytoprethaline. It's a drug we inject to keep ice crystals from forming in your cells during cryosleep. Occurs in about 1 in every 50,000 or so.|Doctor [[Hughes]]{{Ref/Film|Id=FUD3|FuD|Detail=Part 3}}}} | {{Quote|Turns out the cryo blisters and your difficulty breathing are an allergic reaction to the cytoprethaline. It's a drug we inject to keep ice crystals from forming in your cells during cryosleep. Occurs in about 1 in every 50,000 or so.|Doctor [[Hughes]]{{Ref/Film|Id=FUD3|FuD|Detail=Part 3}}}} | ||
'''Cytoprethaline''' is a | '''Cytoprethaline''' is a pharmaceutical compound used by the [[United Nations Space Command]] (UNSC) to protect human tissue during [[Cryo-sleep]]. The drug prevents cellular damage caused by ice crystal formation during cryogenic stasis, allowing humans to survive long-duration interstellar travel.{{Ref/Novel|Id=TFORCryo|TFoR|Chapter=1}} | ||
Cytoprethaline stabilizes cell membranes and inhibits intracellular ice crystallization during the freezing and thawing processes associated with cryogenic suspension. Without the drug’s protective effects, cryo-sleep is almost always fatal in human subjects.{{Ref/Novel|Id=CPMedical|Oblv|Chapter=12}} | |||
The compound is routinely administered prior to entry into cryogenic stasis aboard UNSC spacecraft. Standard procedure calls for the drug to be injected shortly before a subject enters a cryo tube.{{Ref/Reuse|CPMedical}} | |||
==Medical uses== | ==Medical uses== | ||
Cytoprethaline | |||
Cytoprethaline is used primarily to prevent damage to cell membranes caused by the formation of ice crystals during cryogenic suspension.{{Ref/Reuse|CPMedical}} | |||
The drug is typically administered through a subcutaneous injection prior to entering cryo-sleep. While medical supervision by a physician is recommended, it is commonly administered by a UNSC medic or through a premeasured self-injector system used during large-scale cryogenic embarkation procedures.{{Ref/Reuse|CPMedical}} | |||
Cytoprethaline was developed alongside the widespread adoption of cryogenic stasis as a standard method of transporting personnel during interstellar travel. Its use became routine as humanity expanded beyond the Sol system and long-duration slipspace voyages became common.{{Ref/Reuse|CPMedical}} | |||
==Allergic reactions== | ==Allergic reactions== | ||
Although Cytoprethaline is considered safe for the overwhelming majority of the population, approximately '''1 in 50,000 individuals''' exhibits a severe allergic reaction to the drug.{{Ref/Reuse|CPMedical}} | |||
Individuals diagnosed with a Cytoprethaline allergy are disqualified from active UNSC service, as cryogenic stasis is required for most deep-space deployments. However, such individuals may still serve in civilian or auxiliary roles attached to the UNSC that do not require cryo-sleep.{{Ref/Reuse|CPMedical}} | |||
One known case of Cytoprethaline allergy is [[Thomas Lasky]], who was diagnosed while attending [[Corbulo Academy of Military Science]]. His condition would normally have resulted in his discharge from UNSC service, though the academy was attacked by the [[Covenant]] before the process could be completed.{{Ref/Film|Id=FUDLasky|FuD}} | |||
==List of appearances== | ==List of appearances== | ||