chapter  1
1 Pages

Introduction and Aims

We dissected and took high-quality photographs of 5 specimens of the two extant orangutan species (P. pygmaeus and P. abelii), including neonates and adults and both males and females (see Methodology and Material below) and for two of these specimens (VU PP1, VU PP2) we were able to record the wet weight of many of the muscles. Where there are differences between the myology (e.g., the presence/ absence of a muscle or a muscle bundle, its attachments and/or its innervation) of the specimen PP1 and any of the other specimens dissected by us, we provide detailed comparative notes, and use photographs to document the differences.