Physicians Desk Reference Physicians Desk Reference
Browsable database of medical products, manufacturer, therapeutic categories, indication, contra indication, side effects, drug and food interaction.
Medical Product | Medical Manufacturer | Therapheutic | Indication | Contra Indication | Side Effect | Drug Interaction | Food Interaction

opacity

opacity (o-pas´i-te)

1. A lack of transparency; an opaque or nontransparent area. 2. On a radiograph, a more transparent area is interpreted as an o. to x-rays in the body. 3. Mental dullness. [L. opacitas, shadiness]
nodular o. a solitary, round, circumscribed shadow found in the lung on chest radiograph; causes include granuloma, primary or metastatic carcinoma, benign tumor, vascular malformation.coin lesion of lungs;
snowball o. a spherical, white body seen in the vitreous in asteroid hyalosis.

 

Browse Medical References:

[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M]
[N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]