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Pronunciation varies by accent · noun
(arachnology) The second sclerite of a segmented sternal complex..
Sternum (Fig. 3): Tri-segmented with all segments sclerotized and convex. […] Second segment (tetrasternum) rounded, with 1 upper pair of strong setae and several setulae encircling the base (in some specimens the upper pair of setae do not differs in size from the basal setae).
Use tetrasternum when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Tetrasternum means (arachnology) The second sclerite of a segmented sternal complex..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Sternum (Fig. 3): Tri-segmented with all segments sclerotized and convex. […] Second segment (tetrasternum) rounded, with 1 upper pair of strong setae and several setulae encircling the base (in some specimens the upper pair of setae do not differs in size from the basal setae).
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