Words similar to unclear

Example sentences for: unclear

How can you use “unclear” in a sentence? Here are some example sentences to help you improve your vocabulary:

Any patient with an unclear etiology for hypotension or any patient requiring more than 10 μ g/kg/min dopamine underwent pulmonary artery catheterization and was reviewed for this study.
The cause of this size heterogeneity of our GFP fusion protein is unclear at present.
The most well defined role for TECs in directly affecting thymocyte differentiation is to mediate positive selection via expression of MHC molecules [ 11 19 20 21 22 ] . However, it is still unclear whether TECs directly promote specific stages of thymocyte differentiation during stages that do not involve MHC-TCR interactions, or whether their role at other stages is primarily to promote cell growth and /or survival.
24 cells and primary mouse hepatocytes, through activation of the Fas receptor in a FasL-independent manner [ 19 25 ] . Moreover, GCDCA was demonstrated to activate both initiator and effector caspases, and that the apoptotic response can be blocked by Crm A, a caspase 8 inhibitor [ 25 ] . The mechanism by which bile acids stimulate the activation of Fas receptor remains unclear.
Wilson Combat sells a Millennium Protector .45 Automatic for self-defense, against whom or what it is unclear.