OpenSimulator Archive. OAR file is an OpenSimulator Archive. OpenSimulator is an open source multi-platform, multi-user 3D application server. It can be used to create a virtual environment (or world) which can be accessed through a variety of clients, on multiple protocols.
biological adaptation the adaptation of living things to environmental factors for the ultimate purpose of survival, reproduction, and an optimal level of functioning. color adaptation. 1. changes in visual perception of color with prolonged stimulation.
Biological therapy: Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease.tanercept (Enbrel) and infliximab (Remicade) are examples of commercially available injectable TNF-blocking treatments for patients with moderate to severe rheumatoid arthritis and other forms of inflammatory arthritis. The side effects of biological therapy depend on the type of treatment.