hamamelis. n. 1. (Plants) any of several trees or shrubs constituting the hamameliaceous genus Hamamelis, native to E Asia and North America and cultivated as ornamentals.See witch hazel.. (Plants) any of several trees or shrubs constituting the hamameliaceous genus Hamamelis, native to E Asia and North America and cultivated as ornamentals.
Diffusion tensor imaging (DTI). A refinement of magnetic resonance imaging that allows the doctor to measure the flow of water and track the pathways of white matter in the brain. DTI is able to detect abnormalities in the brain that do not show up on standard MRI scans.
Image courtesy of Flickr, Horia Varlan. Your debt-to-income (DTI) ratio is used by mortgage lenders to determine how much of a monthly payment you can afford. Similar to your credit score, your debt-to-income (DTI) ratio will determine if you qualify for a mortgage, and for how much. Your DTI is the percentage of your monthly income that you pay towards all your debts.