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.
Later it was found that 4 types of bacteria can produce this toxin, Clostridium botulinum, C. butyricum, C. baratii and C. argentinense, and there are 7 distinct types of the toxin known, labelled A through G, most have several subtypes also.The Clostridium botulinum bacteria responsible.he bacteria produce Botulinum Toxin (BTX) by anaerobic respiration, so it commonly occurs in canned-food containers, where there is no oxygen. When ingested, BTX causes botulism, a serious illness which begins by causing the paralysis of the face muscles and then the paralysis of most of the body.