Drug therapy is warranted for many dogs with liver disease. Glucocorticoids (âsteroidsâ) have been used to prolong survival times in dogs with liver disease due to their anti-inflammatory and immunosuppressive properties, although their use and appropriate dosage protocols are somewhat controversial.
chiasma. pl. chiasmata [L., Gr.] chiasm; in genetics, the points at which members of a chromosome pair are in contact during the prophase of meiosis and because of which recombination, or crossing over, occurs on separation.
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia. chiasm. a decussation or X-shaped crossing. optic chiasm a structure in the forebrain formed by the decussation of fibers of the optic nerve from each half of each retina. opÂ·tic chiÂ·asm. a flattened quadrangular body in front of the tuber cinereum and infundibulum, the point of crossing or decussation of the axons of the optic nerves.