limit:

"the human being is the limiting being. every limit is at once a connection and a separation."

prosthetic:

noun, medical

an artificial body part, such as an arm, foot, or tooth, that replaces a missing part; a prosthesis; a prosthetic limb

amputation:

noun

the cutting off of a part of the body; the surgical removal of all or part of a limb

limit:

"every limit appears as a threshold, every threshold as a passage."

INSTRUMENTARIUM

bones - columns

joints - fixing components

epidermis - shading system

nerves - greenery

organs - functional elements