The properties of matrix groups are of great importance for representation theory.

Sail ho! ― Another boat is visible!

Generalized hypermobility of joints has been reviewed by Hass and Hass (1958) who described 5 patients in detail and called the condition arthrochalasis multiplex congenita; they noted that little attention had been paid previously to the orthopaedic manifestations and stressed that generalized hypermobility could exist without skin laxity; they suggested that it was an entity separable from Ehlers-Danlos syndrome and that joint involvement was very variable.

In other bacterial species glycosylated bacterial proteins serve multiple purposes including enhanced attachment in Chlamydia trachomatis [65 ], immunomodulation through glycomimicry in group A and group B streptococci, Neisseria meningitidis, and E.