C. tetani is found as spores in soil or in the gastrointestinal tract of animals. C. tetani produces a potent biological toxin, tetanospasmin, and is the causative agent of tetanus, a disease characterized by painful muscular spasms that can lead to respiratory failure and, in up to 40% of cases, death.
mind. 1. the element, part, or process in a human or other conscious being that reasons, thinks, feels, wills, perceives, judges, etc. 2. Psychol. the totality of conscious and unconscious mental processes and activities. 3. intellect or understanding, esp. as distinguished from the emotions and will; intelligence.
noun. 1  The definition of a brain is the mass of nerve tissue located in the head of animals with spinal cords; it is the center of thought and controls movement. An example of brain is what is damaged when someone has Alzheimer's disease. 2  A brain is defined as a smart or intellectual person.