organo-, organ-
(Greek: an organized structure; pertaining to a specific bodily part with a specific function or set of functions; instrument, tool, implement)
organotrophic
1. A reference to the nourishment of organs of the body.
2. Deriving energy from the oxidation of organic compounds; said of bacteria.
3. Pertaining to a microorganism that uses organic sources as a reducing power.
organotropism, organotropy
The special affinity of chemical compounds or of pathogenic agents for particular tissues or organs of the body.
organule
An end-organ of sensory receptors, such as a taste bud.
organum (singular); organa (plural)
An organ: a somewhat independent part of the body that is arranged according to a characteristic structural plan, and performs a special function or functions. It is composed of various tissues, one that is primary in function. Also called organon.