regulating apparatus
61Transformer — This article is about the electrical device. For the toy line franchise, see Transformers. For other uses, see Transformer (disambiguation). Pole mounted distribution transformer with center tapped secondary winding. This type of transformer is… …
62Vesicle (biology) — A vesicle is a small bubble of liquid within a cell. A more formal definition in cell biology, would be that a vesicle is a relatively small, intracellular, membrane enclosed sac that stores or transports substances. Vesicles form naturally… …
63Professional diving — Hardhat diving redirects here. Often, hardhat diving is used to specifically mean diving in the old type Standard diving dress. A US Navy diver at work. The umbilical supplying air from the surface is clearly visible Professional diving is a type …
64Gas lighting — For other uses, see Gaslight (disambiguation). Gas lighting is production of artificial light from combustion of a gaseous fuel, including hydrogen, methane, carbon monoxide, propane, butane, acetylene, ethylene, or natural gas. Before… …
65muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …
66technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
67Donald Beatty — Donald Croom Beatty (April 11, 1900 – July 12, 1980) was an American aviator, explorer, and inventor. Beatty was the son of Isaac Beatty, Jr and Hughie Duffee Beatty of Birmingham, Alabama (USA). He began his flying career as a teenager by… …
68Nonverbal communication — is usually understood as the process of communication through sending and receiving wordless (mostly visual) messages. Messages can be communicated through gestures and touch (Haptic communication), by body language or posture, by facial… …
69Primate basal ganglia system — The primate basal ganglia system is a symmetrical major cerebral system that has only recently been recognized. In the past, part of it was presented as motor or extrapyramidal , complementary to the corticospinal (pyramidal) system. Contrary to… …
70immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …
