fovea

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fovea

[′fō·vē·ə]
(biology)
A small depression or pit.
References in periodicals archive ?
Foveate groove more or less in centre of mesopleuron, weakly upcurved anteriorly, wide and with transverse wrinkles.
Visual acuity decreases dramatically in the periphery of vision, and precise eye movements to specific locations are vital to foveate objects of interest and identify them with high accuracy [1-4].
18, 33 and 35) very short, about 2 times wider at base than long in middle line, slightly wider at apex than at base, disk foveate with a very faint median carina, submedian carinae originating from basal 1/3 of lateral margin, and meet Y-shaped carina at middle, from where apical carinae becoming very faint.
In foveate animals, such as we are, changes in eye orientation are required to fixate, i.e., bring an attended detail to the centre of the fovea--the most sensitive place on the retina.
However, we must change our gaze to foveate any details of the scene.
Although a simple proposal would be for the oculomotor system to track the relative direction of the primary and the subsequent small corrective saccades needed to foveate the target [7], it appears that adaptation can still take place when there are very few corrective saccades made [8], and saccades can be adapted in the opposite direction to the correctives [9].