The Right Structure: Everything in its place, both in the presentation and out. 1  Presentations are stories told in time, as as such they need to have a beginning, middle and end. Just the fact that you start your presentation, talk for awhile and then finish doesnât count as structure, however.
Rating Newest Oldest. Best Answer: The parenchyma are the functional cells of a tissue or organ. A small parenchymal lung opacity is a small area that is cloudy, opaque.It's also referred to as a ground glass opacity. Some diseases that have ground glass opacities as the predominant lesion are three varieties of pneumonia and Pulmonary Alveolar Proteinosis.ating Newest Oldest. Best Answer: The parenchyma are the functional cells of a tissue or organ. A small parenchymal lung opacity is a small area that is cloudy, opaque.
Freebase (0.00 / 0 votes) Rate this definition: Opacity. Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes the absorption and scattering of radiation in a medium, such as a plasma, dielectric, shielding material, glass, etc.