Jorge Eduardo Duque Parra; Juan Fernando Vélez García & John Barco Ríos

Summary

Saguinus leucopus is a neotropical primate, endemic and monotypic of Colombia (South America), with few studies of its anatomy, whose morphology radius this key element of this quadruped locomotion arboreal animal remains unknown. This study describes the gross functional anatomy of the radius bone of white-footed tamarin (Saguinus leucopus). The study was based on eight specimens fixed with 10% formalin and extracted their radius them, describing the main features of the bony prominences, such as muscle and ligaments attachments and neurovascular pipes. The radius of Saguinus leucopus bony presents some prominences for muscles and ligaments attachments, in addition to the synovial cartilage regions to other parts of the forelimb. The various anatomical contours of the radius of Saguinus leucopus exhibit characteristics typical particular motor functions adapted to the environment of an arboreal quadruped position.

KEY WORDS: Radius; Anatomy; Function; Primate; Saguinus; Morphology.

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