Noun
In breech-loading firearms, a device for withdrawing a cartridge shell from the barrel.
An instrument for holding apart the edges of a wound during amputation.
A bandage to protect the soft parts from injury by the saw during amputation.
A muscle serving to draw in any organ or part. See Illust. under Phylactolaemata.
Source: Webster's dictionaryAt the posterior end, a hardened caudal shield is sometimes present in Aspidosiphon. citation Digestive system The digestive tract of sipunculans starts with the esophagus, located between the introvert retractor muscles. Source: Internet
The introvert is retractable into the trunk via two pairs of retractor muscles that extend as narrow ribbons from the trunk wall to attachment points in the introvert. Source: Internet
The whole proboscis apparatus can also be, at least partially, withdrawn into the body cavity, and this is effected by two retractor muscles which run from the posterior aspect of the septum to the body wall. Source: Internet
• The deep analysis study of Medical Retractor market supported development opportunities, growth limiting factors and practicability of investment can forecast the market growth. Source: Internet