The scattered echo originates from relatively small, weakly reflective, irregularly shaped objects, and is less angle dependent and less intense. The mathematical treatment of non-specular reflection involves the Rayleigh probability density function. (i.e. blood cells)
The Germany-based pharmaceutical company makes ultrasound, X-ray and MRI contrast media, drugs for treating cancer, multiple-sclerosis, heart and nervous system disorders and severe skin conditions.
In general are its activities focused on four business areas: Fertility control & hormone therapy, diagnostics & radiopharmaceuticals, dermatology as well as specialized therapeutics for disabling diseases in the fields of the central nervous system, oncology and cardiovascular system.