Typically, costs for installing a concrete access ramp fall between $1432 and $2377 and will vary with the size and features of construction as well as with your choice of finishes and landscaping elements.
Causes of Fingernail Ridges, Pitting and Curved Nails. 1  Longitudinal ridges (running from the cuticle to the free edge of the nail) may be due to aging and not a sign of any disease.  Nail beading, where the nail loses its smooth curvature, is also a normal part of aging.
FREE subscriptions for doctors and students... You have 3 open access pages. Beau's lines are transverse ridges in the nail plate that form as a result of temporary interference of cell division in the proximal nail matrix (1). It may be caused by. 1  trauma. 2  chemotherapeutic agents. 3  systemic illnesses such as myocarditis, peripheral vascular disease, uncontrolled diabetes. 4  febrile illnesses â scarlet fever, pneumonia (2).