The phrase "abnormally persistent" is correct and usable in written English.
It can be used to describe behavior or conditions that are unusually or excessively persistent, often in a negative context.
Example: "His abnormally persistent attempts to contact her made her uncomfortable."
Alternatives: "unusually persistent" or "excessively persistent".
Mutant septal tips were stunted, lacked elastin-positive tips, exhibited reduced proliferation, and contained abnormally persistent alveolar α-smooth muscle actin myofibroblasts.
Schiller, D., Zuckerman, L. & Weiner, I. Abnormally persistent latent inhibition induced by lesions to the nucleus accumbens core, basolateral amygdala and orbitofrontal cortex is reversed by clozapine but not by haloperidol.
Consistent with some of the clinical literature, a positive association was found between the rate of learning to the familiar, but not the novel, stimulus and the unusual-experiences dimension of schizotypy — implying abnormally persistent latent inhibition in high schizotypy individuals.
In addition to causing accumulation of TUNEL-positive signals in embryos, loss of nuc-1 results in abnormally persistent DNA in the ventral cord and undigested bacterial DNA in the lumen of intestine [26], both of which can be stained by a vital DNA dye, Syto 11 [23] (see Materials and Methods).
The negativity for TCTP in Wilm's tumor may be related to the different histogenesis of the neoplasm (i.e., abnormally persistent metanephric blastemal cells).
It is now well established in animal models that this process may fall short under certain circumstances, leading to abnormally persistent and potentially immunogenic apoptotic and necrotic cells.
A similar approach identified novel pathological mechanisms resulting in abnormally increased persistent sodium currents through mutant channels in SCN1A mutationSCN1A
Possible side effects of the drug include priapism - an abnormally long lasting and persistent erection, which can cause permanent damage, along with sudden hearing loss.
The pathology of the lesion is essentially the same throughout the gastrointestinal tract and it is caused by an abnormally large calibre persistent tortuous submucosal artery [ 7].
Most importantly, history teaches that abnormally rapid growth is rarely persistent, even though economic forecasts invariably extrapolate recent growth.
The persistent presence of abnormally high levels of total TGF β1 which was seen in BAL samples and localized in AMs by IHC staining, is another prefibrotic condition.
