Functional anatomy of gliding membrane muscles in the sugar glider (Petaurus breviceps)

被引:9
作者
Endo, H [1 ]
Yokokawa, K
Kurohmaru, M
Hayashi, Y
机构
[1] Natl Sci Museum, Dept Zool, Shinjuku Ku, Tokyo 169, Japan
[2] Univ Tokyo, Fac Agr, Dept Vet Anat, Bunkyo Ku, Tokyo 113, Japan
关键词
gliding membrane; myology; Petaurus; sugar glider;
D O I
10.1016/S0940-9602(98)80149-0
中图分类号
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号
100101 ;
摘要
In order to clarify the morphological adaptation for gliding behavior in the marsupial mammals, the gliding membrane muscles in the sugar glider (Petaurus breviceps) were observed. Unlike the styliform cartilage in flying squirrels, the sugar glider has a well-developed tibiocarpalis muscle in the most lateral area of the gliding membrane. The gliding membrane substantially consists of the humerodorsalis and tibioabdominalis muscle complex. We believe that the thick tibiocarpalis bundle and the humerodorsalis and tibioabdominalis muscle complex may serve as a membrane controller in the gliding behavior. A characteristic thin membranous structure between the cutaneous and deeper muscles was observed. In addition to the direct powerful control exerted by trunk and limb movement, we suggest that indirect power conduction by this thin membranous structure may contribute to gliding membrane control.
引用
收藏
页码:93 / 96
页数:4
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