field (redirected from Field, John)

field (feld)

1. an area or open space, 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.

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auditory field  the space or range within which stimuli may be perceived as sound.

individuation field  a region in which an organizer influences adjacent tissue to become a part of a total embryo.

morphogenetic field  an embryonic region out of which definite structures normally develop.

visual field  (F) (vf) the area within which stimuli will produce the sensation of sight with the eye in a straight-ahead position.

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field,

n three-dimensional zone in which an array of forces interact in tangible, recognizable ways.

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field,

n an area, region, or space.

field block,

n See block, field.

field, operating,

n the area immediately surrounding and directly involved in a treatment procedure (e.g., all the teeth included in a rubber dam application for the restoration of a single tooth or portions thereof).

field, radiation,

n the region in which radiant energy is being propagated.

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field

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.

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auditory field

the space or range within which stimuli will be perceived as sound.

field beans

see phaseolus.

field experiments

experiments conducted on large groups of animals in conditions thought to be average for the particular type of commercial operation.

field fever

leptospirosis.

field fungi

fungi that attack plants that grow in the field. See also storage fungi.

high-power field

the area of a slide visible under the high magnification system of a microscope.

individuation field

a region in which an organizer influences adjacent tissue to become a part of a total embryo.

low-power field

the area of a slide visible under the low magnification system of a microscope.

morphogenetic field

an embryonic region out of which definite structures normally develop.

field nettle

see stachys arvensis.

field pea

pisumsativum.

field penny-cress

see thlaspi arvense.

field poppy

see papaverrhoeas.

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.

field trial

see field experiments (above).

visual field

the area within which stimuli will produce the sensation of sight with the eye in a straight-ahead position.