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Biomedical subjects

K Shintaku

Publications and source records attributed to K Shintaku.

30 records · Page 2Linked to original sources

Metopism.

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Adult↗

Acute cadmium intoxication in inbred mice: a study on strain differences.

Male C3H, BALB/c and DBA/2 mice were injected subcutaneously with a single dose of 30 mumol CdCl2/kg. Most of the C3H mice died within 15 h, while all of DBA/2 survived for at least 48 h. At 6 h after Cd-injection, histology revealed severe hemorrhage, fatty change, zonal hepatocyte necrosis and congestion of C3H livers, while these findings were rare in the other strains even at 48 h post-injection. The rate of metallothionein (MT) induction at 6 h was significantly lower in C3H mice than in the other two strains.

Animals↗

Supravital excitability of skeletal muscle of rats and bullfrogs to electrical stimuli.

Supravital excitability to electrical stimuli (for convenience, supravital electrocontractility (S.Ec) of the gastrocnemius muscle of rats and bullfrogs was examined after "somatic death" and the time during which S.Ec could be detected (S.Ec duration) was measured. S.Ec of the gastrocnemius muscle of rats and bullfrogs depended on temperature. The maximum S.Ec duration of the muscle of rats and bullfrogs were 110 min and 96 hr, respectively, at a low temperature (5 degrees), and 60 min and 9 hr, respectively, at a high temperature (30 degrees). The time course of rigor mortis at 5 degrees was slow and it was rapid at 30 degrees. In rats, the S.Ec disappeared completely before the onset of rigor mortis, and in bullfrogs, S.Ec existed at progressive stages of rigor mortis and it disappeared completely when rigor mortis reached about the maximum.

Animals↗