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.
A concept is a thought or idea. It's a general idea about a thing or group of things, derived from specific instances or occurrences. It often applies to a theoretical idea in science: Einstein's contribution to the concept of relativity. A concept is an idea conceived in the mind.