antral

1. (anatomy) Of or pertaining to an antrumExamples: "In forms with a modified outer antral fence, both this and the adjacent distal band of the domiciliar wall may be concave and form the antrum (Figs. 6 J-K; 7 B), and in some forms the antrum apparently is formed by the dolon alone (dolonal antrum)."; "Antral gastritis may be graded as mild, moderate, or severe on the basis of an evaluation of the degree of obliteration of the pyloric glands, the degreee of infiltration of the lamina propria by inflammatory cells, and the presence and extent of intestinal metaplasia."; "In sheep and cattle, it takes about 40 days for an early antral follicle (diameter 0.20-0.25 mm) to reach the preovulary stage."not-comparable