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a leptospirosis caused by Leptospira.
1. an area or open space, such as an operative field or visual field.
2. a range of specialization in knowledge, study or occupation.
3. in embryology, the developing region within a range of modifying factors.
the space or range within which stimuli will be perceived as sound.
experiments conducted on large groups of animals in conditions thought to be average for the particular type of commercial operation.
fungi that attack plants that grow in the field. See also storage fungi.
the area of a slide visible under the high magnification system of a microscope.
a region in which an organizer influences adjacent tissue to become a part of a total embryo.
the area of a slide visible under the low magnification system of a microscope.
an embryonic region out of which definite structures normally develop.
see stachys arvensis.
see thlaspi arvense.
sequential field trial
a trial to which additional segments are added as results are obtained in original segments, e.g. concentrating efforts on aspects of the work which appear to be promising.
see field experiments (above).
the area within which stimuli will produce the sensation of sight with the eye in a straight-ahead position.