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1. Changing or varying, especially often and without discernible pattern or reason.
2. Fickle; faithless.

in·con′stant·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Screening of allo-HSCT recipients was performed in all countries except Slovakia (mandatory in 4 countries), whereas screening of auto-HSCT recipients was performed regularly (4 countries), inconstantly (5 countries), or not at all (1 country).
Ogilvie's Paralytic syndrome ileus Impaired area Limited to colon Throughout the gut Bowel sounds Hyperactive/high- Always absent pitched/absent Nausea & vomiting Mild and More common inconstantly present Passing flatus Present Always ceased Passing stool Present/diarrhea/ Always ceased obstipation Table 2: Pre- and intraoperative measures taken in pregnant women to avoid adynamic ileus.
The perineurium was a very thin hyperintense rim surrounding the fascicles and it was inconstantly visualized since affected by partial volume effects that limited the spatial resolution.
Typical histopathologic features are lymphoplasmacytic infiltrate rich in IgG4 plasma cells, obliterative phlebitis, and storiform fibrosis, while laboratory tests may reveal an inconstantly elevated serum IgG4 concentration [6].
Yorkshire dialect word for "a giddy, flighty girl." All or any of these could have fed into the main, modern verbal sense of "play at courtship" (1777), which could also have grown naturally from the earlier meaning "to flit inconstantly from object to object" (1570s), perhaps influenced by O.Fr fleureter "talk sweet nonsense," also "to touch a thing in passing," dim.
pinastri *: means the acid is inconstantly occur dependent on the chemotype.