Sentence examples for retractor from inspiring English sources
noun
One who, or that which, retracts.
According to a recent paper in the Lancet, published by Ian Roberts of the John Radcliffe Hospital, in Oxford, it may soon be time to put away the scalpel and retractor clamp, and replace them with the body scanner.The study of death is never a cheerful topic, but it has gone through a particularly gloomy patch in the past few decades.
The piercing-sucking mouthparts require protractor and retractor muscles for insertion and withdrawal of each stylet, and dilator muscles to enlarge the sucking pump cavity.
The principle pair of plates covering over the mantle opening is provided with a transverse adductor muscle and discrete retractor muscles.
The thighbone (femur) was nearly always shorter than the shinbones (tibia and fibula), especially in all but the largest forms, and it usually bore a prominent process, called the fourth trochanter, just above mid-length for the attachment of the retractor, or walking, muscles.
In a retractor problem the player given the task begins by taking back a move and replacing it with another move, with the aim of achieving the stipulation, such as mating in three moves.
The hydrostatic force resulting from rapid contraction of a ringed accelerator muscle is used to project the tongue toward the chameleon's prey; a sticky tongue tip adheres to the victim's body; and strong retractor muscles pull the tongue and prey back into the mouth.
In oysters, commensurate with the extreme reduction of the foot, pedal retractors are lost.
In byssally attached bivalves, pedal retractors are reduced and byssal retractors serve to pull the animal down in closer opposition to the rock surface.
The muscles mainly responsible for movement of the foot are the anterior and posterior pedal retractors.
Since such muscles are less concerned with locomotion and more with pulling the shell down against the substrate, they are more correctly redefined as byssal retractors.
Where the anterior adductor muscle is reduced, so are the anterior pedal retractors.
