Collagen is the main structural protein in the extracellular space in the various connective tissues in animal bodies.
Elastin is a highly elastic protein in connective tissue and allows many tissues in the body to resume their shape after stretching or contracting.
The immune system is a host defense system comprising many biological structures and processes within an organism that protects against disease.
Immunosuppression is a reduction of the activation or efficacy of the immune system.
Trichinella spiralis is an ovoviviparous nematode parasite, occurring in rodents, pigs, horses, bears, and humans, and is responsible for the disease trichinosis.
Vitamin B6 refers to a group of chemically similar compounds which can be interconverted in biological systems.