Alveolar macrophages are resident lung macrophages, and present the first line of encountering inhaled substances.
In Sweden, teams of general practitioners (GPs) and nurses, especially district nurses (DNs), are on the front line of the encounter between health care personnel and people with obesity or other lifestyle-related diseases [ 3].
At the time of writing South Korean officials were engaged in a crisis meeting in an "underground bunker", discussing their next move.The incident is the latest in a line of military encounters at the Northern Limit Line (NLL), the de facto demarcation point at which North and South Korean waters meet.
burgdorferi, the innate immune system is the first line of defense to encounter the spirochetes.
Medications are too often considered the first line of defense when encountered with any problems, psychological or otherwise.
Whether an infectious disease agent is an "old acquaintance" or a new, emerging threat, the immune system's battle against it is usually the first line of defense it encounters.
In the case of limb measurements, the separation between stratosphere and the troposphere is achieved thanks to the limb viewing geometry, whose line of sight does not encounter the atmospheric layers located beneath the upper troposphere/lower stratosphere (UTLS).
As a consequence, a stationary animal or an animal moving toward an odour source in a straight line will encounter bursts of odour with relatively long intervals between bursts.
In my line of work, I have encountered many courageous people, who find themselves in the most distressing situations, and yet find the determination to battle on.
A second line of Ottoman defences was encountered by the third squadron on the right; the two squadrons eventually cooperating in a simultaneous charge which "was driven home".
