8. Wry Neck: In cases of Wry Neck a rabbit may appear to be swaying it's head back and forth, rolling, darting eyes, or dizzy. Many things may be the cause. In cases I have treated, it appeared that stress, a severe change in climate, dehydration, parasites and even other ilnesses can be the cause.
secondary curvatures of vertebral column. secondary curvatures of vertebral column. ventrally convex curves of the vertebral column that develop postnatally in the cervical and lumbar regions: the cervical and lumbar lordoses.
Secondary structure. Definition. noun. A structure of a biological molecule characterized by the local folding within the biopolymer as a result of hydrogen bonding (within the biopolymer). Supplement. In proteins, there are four recognized levels of protein structure: primary structure, secondary structure, tertiary structure, and quaternary structure. A secondary structure of a protein pertains to the folding of a polypeptide chain, resulting in an alpha helix, beta sheet or a random coil structure. Another example of a secondary structure is that of a nucleic acid such as the clover leaf structure of tRNA. See also: protein structure.