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DEVELOPMENT OF THE PECTORAL GIRDLE IN LARVAE OF SIBERIAN SALAMANDER Salamandrella keyserlingii (AMPHIBIA: HYNOBIIDAE)

Valentin G. Borkhvardt, Natalja V. Baleeva

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Abstract

Cartilaginous pectoral girdle of Salamandrella keyserlingii arises as a single vertical column, which con-tains both scapular and coracoid parts. Procoracoid part arises later as outgrowth of the preglenoid portion of the girdle. A three radial form of adult pectoral girdle is a result of irregular growth of the originally simple anlage. It is possible that certain collagen bundles stimulate expansion of the cartilaginous parts. There is only one center of ossification in the girdle.

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What this paper is about

Cartilaginous pectoral girdle of Salamandrella keyserlingii arises as a single vertical column, which con-tains both scapular and coracoid parts. Procoracoid part arises later as outgrowth of the preglenoid portion of the girdle. A three radial form of adult pectoral girdle is a result of irregular growth of the originally simple anlage. It is possible that certain collagen bundles stimulate expansion of the cartilaginous parts. There is only one center of ossification in the girdle.

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Available abstract

Cartilaginous pectoral girdle of Salamandrella keyserlingii arises as a single vertical column, which con-tains both scapular and coracoid parts. Procoracoid part arises later as outgrowth of the preglenoid portion of the girdle. A three radial form of adult pectoral girdle is a result of irregular growth of the originally simple anlage. It is possible that certain collagen bundles stimulate expansion of the cartilaginous parts. There is only one center of ossification in the girdle.

Key concepts: Pectoral girdle, Anatomy, Shoulder girdle, Coracoid, Biology, Pelvic girdle, Ossification

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DEVELOPMENT OF THE PECTORAL GIRDLE IN LARVAE OF SIBERIAN SALAMANDER Salamandrella keyserlingii (AMPHIBIA: HYNOBIIDAE) — Research Paper | ScholarLens