Ultrastructure of the ventricular myocardium of the bat Eidolon helvum.

Ultrastructural studies, including a preliminary morphometric analysis, of the right ventricular myocardium in the West African bat Eidolon helvum show that the myocytes contain a wider T-tubule system and a higher proportion of mitochondria and lipid droplets than in typical terrestrial mammals such as the rat; these features in the bat are even mor pronounced than in hibernating species such as the golden hamster. In addition to having coupling arrangements with T-tubules and surface sarcolemma, cisterns of junctional sarcoplasmic reticulum are closely apposed to mitochondria and lipid droplets.

Effect of acute heat stress on some renal functions in the sickle cell patient.

1. The effect of acute temperature change on some renal functions was studied in 19 young sickle cell patients and 10 normal young adults (AA). 2.