Category: A
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Auricled
Equipped with ear-like structures, usually near the base.
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Auricle
Ear-like lobe. A lobe or pair of lobes at the base of a leaf. The tip of each atrium in the heart. Tissue and cartilage that form the C shape of the external ear and semicircular canals. A small pouch in the wall of each atrium of the heart: the term is also used incorrectly…
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Auct. non
Phrase after a scientific name, meaning that the name has been used by one author in the wrong sense, as opposed to … (, non + original author of name should follow).
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Auct (plural auctt)
(From the Latin auctorum) of the author; appended to a name used by a later author in a different sense from the one originally proposed; auctt. indicates ‘according to various authors’.
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Atypical
Different from normal. Irregular; not conformable to the type; in microbiology, applied specifically to strains of unusual type. An adjective used to describe unusual or uncharacteristic variations of a disorder. Atypical Irregular or not of typical character. Deviating from the normal; not conforming to type. Atypical is a term utilized to describe something that deviates…
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Attenuate
Gradually narrowing over a long distance. The apex drawn out into a long gradual taper. To render thin or make less virulent. In radiology, to make less intense. To dilute or stretch; to reduce in strength.
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Atropous
Not inverted.
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Atomate
With small resinous dots or glands [unusual term].
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Atavism
(Of a taxon or organ) reversion to ancestral state; reappearance of the presumed ancestral condition. The recurrence in a descendant of genetic characteristics of a remote ancestor reversion. Throwback, development of a characteristic or disease known to have occurred in an earlier ancestor rather than in the parents. The phenomenon in which an individual has…
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Atactostele
Stele with many vascular bundles scattered irregularly in the ground tissue.