The Operation and Its Aftermath

This thread follows the transplant as a medical procedure, a scientific discovery, and a source of consequences its practitioners cannot readily control.

increasingBearing stren­gth in each eventdecreasing

The Donor Arrives

An Unusual Delivery Preparations Begin Doctor Bormenthal brings the recently deceased donor's body to the apartment. Professor Preobrazhensky immediately interrupts his routine and orders the operation prepared. A Risky Plan Sharik is kept from eating and locked away before being brought to the operating room. The household's ordinary rhythms give way to a procedure with no established precedent.

The Transplant

The Surgical Transformation Organ Replacement The doctors replace Sharik's testes and pituitary with organs from the donor. They work rapidly through a severe operation, using injections to sustain a failing pulse. A Life at Risk The scale of the surgery exposes the dog's vulnerability and the doctors' dependence on improvisation. Sharik's survival remains uncertain when the operation is complete.

A Fight for Survival

The Patient's Recovery Unstable Signs The case notes record high fever, a weak pulse, and repeated deterioration. Professor Preobrazhensky orders intensive treatment as Sharik hovers near death. Unexpected Change The patient's body begins to recover, but the changes exceed ordinary healing. Hair loss, growth, and altered speech turn the medical record into an account of transformation.

A New Diagnosis

The Case Reinterpreted Humanization Identified The doctors agree that pituitary transplantation has caused humanization rather than rejuvenation. Sharik walks upright and uses words that increasingly respond to the world around him. A Discovery Without Mastery The notes call the experiment a major scientific achievement, but its makers cannot control the personality it has produced. Discovery and success have become sharply different measures.

The Reversal

The Second Intervention A Dangerous Breaking Point Sharikov draws a revolver during an expulsion dispute, forcing the household into an immediate crisis. Doctor Bormenthal subdues him, and the doctors again take decisive action behind closed doors. A Return to Canine Form Ten days later, Sharik appears alive as a dog, his speech fading. The restoration resolves the immediate danger without undoing the ethical weight of the first operation.

Three hours before the operation

The evening of December 23, 1924

The days following the operation

January 8, 1925

Near the end, after the armed confrontation