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Discover LudwigThe phrase "a arrow" is not correct in written English; it should be "an arrow." You can use "an arrow" when referring to a projectile or symbol that points to a direction.
Example: "The map has an arrow indicating the direction to the nearest gas station."
Alternatives: "one arrow" or "a single arrow."
Exact(46)
After crossing, axons continued to grow circumferentially through the contralateral ventromedial region (arrowhead in Fig. 3A) and then, in the ventrolateral region, the distal ends of labeled axons extended along the longitudinal axis (indicated by punctate GFP staining in transverse sections, Fig. 3A, A", arrow).
Although visual motion responses of caudal FEF were observed at the beginning of delay 1, they were not maintained but decayed exponentially before the onset of cue 2 (Fig. 5 A, arrow).
Although caudal FEF neurons exhibited a residual visual motion response to cue 1 at the beginning of delay 1, the responses returned to the control level near the end of the delay 1 before cue 2 onset (Fig. 5 A, arrow).
a e DCT cases with the presence of various amount of intact pneumococcal capsules (a arrow).
a Arrow (black) shows the entire liver.
(a) Arrow indicates ATH35L protein in cell crude lysates.
Similar(13)
e and f SV2-A (arrow heads) did not co-localize with either nNOS (thin arrows) or VIP (thin arrows).
Time is a boomerang, not an arrow.
This story shoots like an arrow off a quivering bow.
Richard Madeley shoots an arrow at a distant target.
Find or make an arrow (or a bolt for crossbows).
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com