Retraction (medicine)

In medicine, retraction is the term used to describe the retraction or shrinking of organs, parts of organs or tissues. Particularly:

• the retraction of the eyeball into the eye socket ( orbit ), e.g. B. in Duane syndrome
• the shrinking of a blood clot as the active role of platelets in clotting the blood
• the retraction of the intestine sewn into the abdominal wall below skin level at the artificial anus
• retracting the tissue via the by pressing the bottom head during a contraction in the birth of a child
• the temporary withdrawal of the normal descended into the scrotum (undescended) testis in the inguinal canal by contraction of the muscle cremaster during pendulum testicular
• the collapse of a lung segment, lobe or wing in the direction of the hilum in the case of lung collapse
• the shrinkage performance of native venous blood after its coagulation in retractiometry
• Withdrawal of the lower jaw from the protrusion position to the resting position
• the regression of the gums in periodontal disease
• Displacement of the gums from the tooth neck, see retraction cord
• Reformation of the eardrum with persistent tubal dysfunction and the resulting sero-mucotympanum