Types of neuroendocrine tumors. Various types of neuroendocrine tumors can occur in many places in the body and grow differently. Many NETs first appear in the lungs or the gastrointestinal tract, including the stomach, pancreas, appendix, intestines, colon and rectum. NETs may also appear in the thymus, thyroid gland, adrenal gland and pituitary gland.
Ricin is a type of biological toxin that is predominantly derived from the bean of the castor plant. Log in to see link for more information. Ricin is a type of biological toxin that is predominantly derived from the bean of the castor plant. Log in to see link for more information.
Derived trait. In phylogenetics, a derived trait is a trait that is present in an organism, but was absent in the last common ancestor of the group being considered. This may also refer to structures that are not present in an organism, but were present in its ancestors, i.e. traits that have undergone secondary loss.