target symptoms

target symptoms,

symptoms of an illness that are most likely to respond to a specific treatment, such as a particular psychopharmacologic drug.

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target,

n the small tungsten block, embedded in the face of the anode, that is bombarded by electrons from the cathode in a radiographic tube.

target cell,

n 1. also called
leptocyte, an abnormal red blood cell characterized by a densely stained center surrounded by a pale, unstained ring that is encircled by a dark, irregular band. 2. a cell having a specific receptor that reacts with a specific hormone, antigen, antibody, antibiotic, sensitized T cell, or other substance.

target group,

n a set of persons who serve as the focal point for a particular program or service. This is a smaller sample than the target population.

target organ,

n 1. an organ intended to receive a therapeutic dose of irradiation.
2. an organ intended to receive the greatest concentration of a diagnostic radioactive tracer.

target population,

n all individuals belonging to a certain group who have a distinct set of qualities.

target symptoms,

n.pl symptoms of an illness that are most likely to respond to a specific treatment.

target-film distance (TFD),

n See distance, target-film; source-film distance.

target-object distance (TOD),

n See source-object distance.