code/modules/surgery/operations/operation_generic.dm 
| /datum/surgery_operation/limb/incise_skin | First step of every surgery, makes an incision in the skin |
|---|---|
| /datum/surgery_operation/limb/incise_skin/thick | Subtype for thick skinned creatures (Xenomorphs) |
| /datum/surgery_operation/limb/retract_skin | Pulls the skin back to access internals |
| /datum/surgery_operation/limb/close_skin | Closes the skin |
| /datum/surgery_operation/limb/clamp_bleeders | Clamps bleeding blood vessels to prevent blood loss |
| /datum/surgery_operation/limb/unclamp_bleeders | Unclamps blood vessels to allow blood flow again |
| /datum/surgery_operation/limb/saw_bones | Saws through bones to access organs |
| /datum/surgery_operation/limb/fix_bones | Fixes sawed bones back together |