Abstract
Summary and conclusions
1. A quantitative study was undertaken to determine if porphyrin producing enzymes were present in the liver, muscle, kidney, brain and thyroid and parathyroid glands of the hibernating bat, Myotis lucifugus lucifugus. 2. Porphyrin producing enzymes were found to be present in the liver, muscle, kidney, brain and thyroid-parathyroid glands of the hibernating bat, Myotis lucifugus lucifugus. 3. The degree of enzymatic porphyrin activity was greatest in the liver with a successive decrease in activity found in muscle, kidney, brain and thyroid-parathyroid tissue. 4. The variations noted in the amount of porphyrin produced during different incubation times were not statistically significant. 5. A comparison was made between the amounts of porphyrin production by tissues of the hibernating bat and by that produced in non-hibernating animals. No conclusion was made concerning the significance of this comparison.
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