However, the developmental biology of tooth root formation has not been fully studied, especially as to how Hertwig's epithelial root sheath (HERS) is formed, the functional significance of HERS, and the fate of HERS.
However, it has not been fully studied with regard to risk and survival of breast cancer in Chinese population.
Nevertheless, the relationship between the crystalline lens response and ciliary muscle contraction has not been fully studied, mainly due to the technical difficulty of simultaneously imaging the anterior segment and the ciliary muscle in real-time.
Located on chromosome 3, the biological role of miR-568 has not been fully studied, which is in contrast to the numerous studies of miRNAs in carcinogenesis [ 17, 28].
However, the skin permeability of epidermis while using microneedle arrays has yet to be fully studied.
To date, key parameters for optimal design and operation of hydrophoresis systems have yet to be fully studied.
Unlike rice bran, the health benefit of brewers' rice has yet to be fully studied.
Specific histone modifications have yet to be fully studied and understood in organismal aging.
While these pathways have been investigated, questions such as temporal effects and the dynamics of multi-mediator regulation remain to be fully studied.
This opens the possibility that other factors, yet to be fully studied, like solar cycle variations of UVR and geomagnetic forces, modulate our epigenome [ 54].
