Nevertheless, holidaymakers arrive by the coachload to see the apes, and one should not let their monkey business detract from their obvious attraction.
In arboreal apes such as orangutans, the large forearm muscles originating on the epicondyles of the humerus generate significant transverse forces on the elbow joint.
It is the first secretory structure to differentiate and remains fully developed and functional during the life of almost every vertebrate, excluding bats, anthropoid apes and humans.
