field

(féld). An area or open space. absolute f., that area of the cerebral cortex injury of which always causes paralysis or spasm. auditory f., the s ce within which sounds are audible. Cohnheim’s f’s, small polygonal areas seen on sections of a prism of the sarcous element. f. of fixation, the region bounded by the utmost limits of central or clear vision, the eye being allowed to move, but the head being fixed. nig’s f., the area on the chest which corresponds to the apices of the lungs. magnetic f., that portion of space about a magnet in which its action is perceptible. f. of a microscope, the area that can be seen through a microscope atone time. relative f., an area of the cerebral cortex in which a lesion may or may not cause paralysis. surplus f., the portion of the field of vision in partial hemianopia which pa es beyond the point of fixation. f. of vision, that portion of space which the fixed eye can see. f. of vision, cribriform, a field of vision over which a number of isolated scotomata lie dispersed. f. of vision, overshot, a condition in which the line of separation between the halves of the field of vision does not pa through the point of fixation. Wernicke’s f., Wernicke's area. area.