62 1 First degree: prolapse of only mucous membrane 2 Second degree: prolapse of full rectal wall thickness 3 Third degree: prolapse is sufficient to bring mesorectum outside the anus The prolapsed rectum is obvious but must be differentiated from ileocolic intussusceptions, which have been described with neoplasia
Periasamy S, Hsu DZ, Fu YH, & Liu MY
Ursini F, Maiorino M, Valente M, Ferri L, Gregolin C (1982) Purification from pig liver of a protein which protects liposomes and biomembranes from peroxidative degradation and exhibits glutathione peroxidase activity on phosphatidylcholine hydroperoxides
and age 85 or older, 35.8% (see Prevalence section)
As a finely regulated cell death process, ferroptosis may serve as an adaptive mechanism to eliminate malignant cells