Erythema nodosum is a type of panniculitis that affects subcutaneous fat in the skin, usually first evident as an outcropping of erythematous nodules that are highly sensitive to touch.1 Most nodules are located symmetrically on the ventral aspect of the lower extremities.rythema nodosum nodules vary from 0.4 to 4 inches (1 to 10 cm) in diameter and are poorly demarcated, reflecting their subcutaneous anatomic location (Table 11â4; Figure 1) . Pretibial involvement is most common, although the extensor surfaces of the forearm, the thighs, and the trunk also may be affected.
David Beaulieu. Xeriscape landscaping or, simply, xeriscaping, by definition, is landscaping designed specifically for areas that are susceptible to drought, or for properties where water conservation is practiced. Derived from the Greek xeros meaning dry, the term means literally dry landscape..
This can include paved areas, driveways, retaining walls, or any other landscaping made up of hard wearing materials such as stone, concrete etc. as opposed to softscape, the horticultural elements of a landscape. From an urban planning perspective, hardscapes can include very large features, such as paved roads.Most water features are hardscapes because they require a barrier to retain the water, instead of letting it drain into the surrounding soil.his can include paved areas, driveways, retaining walls, or any other landscaping made up of hard wearing materials such as stone, concrete etc. as opposed to softscape, the horticultural elements of a landscape. From an urban planning perspective, hardscapes can include very large features, such as paved roads.