PMID: 1189892Jan 1, 1975Paper

[A histochemical and biometric comparison of the long peroneal muscle and its innervation in Gallus gallus and Coturnix c. japonica].

Acta Anatomica
B Boesiger

Abstract

Following a previous comparison of the peroneus longus muscle of the quail and the starling, the present paper deals with a comparative study of this muscle in two birds of the order Gallinaceae, the quail and the bantam, bearing in mind certain data found in the starling. The study deals with the types of muscle fibres, their frequency in various parts of the muscle, their lipid content and their innervation. In the quail, two types of fibres are found, with a low and high lipid content respectively, while the bantam and starling have also a third, intermediate type. These intermediate fibres have a characteristically intermediate lipid content, peripherally situated nuclei and areas with a myofibrillar structure. The proportion of the two of three types of fibres varies with the species and in the distal and proximal parts of the muscle. The innervation of the peroneus longus muscle is different in the three species. In the quail, the two types of fibres have only one arboriform motor end-plate per fibre. In the bantam, the two types of homologous fibres also have only one motor end-plate, but with fewer arborifications. The intermediate fibre type, on the other hand, is innervated by several small nerve endings for each musc...Continue Reading

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