Buckshot Pattern

A pattern of multiple minute lesions, radiodensities, or cell clusters, likened to the innumerable pellets from a shotgun blast
Haematology Scattered subcutaneous aggregates of lymphocytes seen in nodular lymphoid hyperplasia
References in periodicals archive ?
Trigger press had turned into a game of "sights on, snatch-it-back-now," and my one-ragged-hole groups now looked like a buckshot pattern, often in the wrong place on the target.
Elmer Keith said that he tested thousands of shotguns for the War Department, and found only one that would make decent buckshot pattern at 50 yards (it was a '97 trench, incidentally).
The reasons for this include excessive recoil, a high degree of proficiency in operation, potential collateral damage from the buckshot pattern, and the limited effective range with buckshot.
Federal Premium's Tactical 12-gauge Buckshot ammunition delivers tight buckshot patterns without barrel alterations or aftermarket choke tubes.
The pattern is designed to expand one inch for every yard--pretty much the rate most buckshot patterns expand from shotguns.
From 30 to 50 yards, buckshot patterns are often inconsistent.