The Necromorph infection is not only limited to humans, Dead Space: Martyr describes a Necromorph fish which behaves like all other Necromorphs, as it attacks another fish in order to kill and infect it.The Stalker is made up of animal body parts. While shots to center mass are still disruptive and will kill them eventually, it is extremely wasteful and potentially lethal a person may waste a large amount of ammunition, or may be attacked by other Necromorphs while they are concentrated on one. As experience shows, shooting them in the torso where a normal organism can be counted to go down due to internal bleeding and vascular shock is ineffective.

It is this lack of a vascular support system, more than anything else, that is the primary reason for their hardiness. This evidences a total lack of respiration or reliance upon vascular activity.

This is especially troubling, as it shows a degree of planning and forethought not found in simple creatures.Īll Necromorphs are extremely hardy and capable of surviving in lethal environments such as the vacuum of space. However, some Necromorphs are clearly composed of more than one human (see Brute, Tripod or Graverobber), which is an indication that some form of intelligence is at work allocating biomass for specific use. The actual type of Necromorph created largely depends on the location and circumstance, for example Lurkers are created from any infant human. The pink tissue is capable of consuming and reconstructing necrotic flesh and can transform living flesh when injected directly into a person's blood stream. It is capable of movement and sticks to surfaces. Pure Necromorph tissue is light pink and translucent. Seemingly not needing such a complex, vulnerable support system, the re-purposing of these organs also allows the recombinant organism an almost unnatural resistance to injury. Vital and digestive organs that are no longer needed are turned into additional musculature, giving all Necromorphs increased strength. More often than not, the twisting corpse becomes so hot that stagnant blood boils in the veins and arteries, rupturing skin. All of this takes place in a handful of seconds, and generates tremendous amounts of heat. Bones are broken, put together in new configurations, or turned into entirely new forms. 当宿主死亡后，感染原体便开始对其进行转化。过程十分迅速而猛烈。Cellular functions go into a self destructive overdrive, new biologically active compounds are generated and then metabolized by reanimated flesh to fuel further mutation of once dead flesh.

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