Complex sentence: Also a postmenopausal condition known as "diabetic-bearded woman syndrome" is now referred to as Achard-Thiers syndrome, and the the eponymous "Achard's syndrome" is defined as arachnodactyly associated with joint laxity in the extremities.
Split into simpler sentences: Also a postmenopausal condition known as the "diabetic-bearded woman syndrome" is now known as the Achard-Thiers syndrome. Also the eponymous Achard's syndrome is arachnodactyly associated with joint laxity in the extremities.