The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and isostatic adjustments.n the old oceanic mantle the transition from the lithosphere to the asthenosphere, the so-called lithosphere-asthenosphere boundary (LAB) is shallow (about 60 km in some regions) with a sharp and large velocity drop (5-10%).
direct delivery. Consignment in which the delivery documents (such as a bill of lading) are sent directly to the consignee, without using an intermediary such as a bank.
Direct Primary Care (DPC) is an innovative alternative payment model for primary care being embraced by patients, physicians, employers,payers and policymakers across the United States.The defining element of DPC is an enduring and trusting relationship between a patient and his or her primary care provider.