1.  The early component of the meal stimulated increase in contractile activity is thought to be neurally mediated and the late component is thought to be hormonally mediated.

2.  But Russia, suffering from an eroding economy, recently announced a new three-month delay in completion of a crucial early component called the service module.

3.  Funding problems in Russia have stalled work on the service module, a crucial early component of the planned station.

4.  That work is scheduled to begin this summer, though a prospective delay in the completion of an early Russian component and ground testing requirements could cause delays.