Transmission of pathogenic microorganisms or cancerous cells from an original site to one or more sites elsewhere in the body, usually by way of the blood vessels or lymphatics. A secondary cancerous growth formed by transmission of cancerous cells from a primary growth located elsewhere in the body.
Chondroids are firm stones of pus that form here and complicate treatment of infection. In milder cases, guttural pouch infections respond to systemic antibiotics or flushing of the pouch.
Steroids are lipids with a carbon skeleton consisting of four fused rings. 1  Different steroids are created by varying functional groups attached to the rings. 2  Cholesterol, an important steroid, is a component in animal cell membranes. 3  Cholesterol is also the precursor from which all other steroids are synthesized.