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.
The optic chiasm or optic chiasma is an X-shaped space, located in the forebrain, directly in front of the hypothalamus.Crucial to vision, the left and right optic nerves intersect at the chiasm, thus creating the hallmark X-shape.One-half of each nerve's axons (their long, threadlike portions) enters the opposite tract at this location, making it a partial decussation (crossing).rucial to vision, the left and right optic nerves intersect at the chiasm, thus creating the hallmark X-shape. One-half of each nerve's axons (their long, threadlike portions) enters the opposite tract at this location, making it a partial decussation (crossing).