[The effect of a series of short immobilizations on the indices of the peripheral erythron and on the bone marrow erythroblastic islets in rats].

Stress adaptation to short-lasting immobilisation both by an intensive and "soft" schedule, demonstrated an obvious effect upon erythron status. While the intensive adaptation regimen suppressed erythropoiesis in erythroblast islets, the "soft" adaptation exerted the opposite effect.