- accelerator nerve
- accelerator nerve n a nerve whose impulses increase the rate of the heart
Medical dictionary. 2011.
Medical dictionary. 2011.
accelerator — [ak sel′ər āt΄ər, ak sel′ə rāt΄ər; əksel′ər āt΄ər, əksel′ə rāt΄ər] n. 1. a person or thing that accelerates or increases the speed of something; specif., a) a device, such as the foot throttle of an automobile, for increasing the speed of a… … English World dictionary
Nerve — A bundle of fibers that uses electrical and chemical signals to transmit sensory and motor information from one body part to another. See nervous system. * * * A whitish cordlike structure composed of one or more bundles (fascicles) of myelinated … Medical dictionary
accelerator — 1. Anything that increases rapidity of action or function. 2. In physiology, a nerve, muscle, or substance that quickens movement or response. 3. A catalytic agent used to hasten a chemical … Medical dictionary
accelerator — /ak sel euh ray teuhr/, n. 1. a person or thing that accelerates. 2. Auto. a device, usually operated by the foot, for controlling the speed of an engine. 3. Brit. any two or three wheeled motor vehicle, as a motorcycle or motor scooter. 4.… … Universalium
accelerator — noun Date: 1552 one that accelerates: as a. a muscle or nerve that speeds the performance of an action b. a device (as a pedal) for controlling the speed of a motor vehicle engine c. a substance that speeds a chemical reaction d. an apparatus for … New Collegiate Dictionary
accelerator — ac•cel•er•a•tor [[t]ækˈsɛl əˌreɪ tər[/t]] n. 1) a person or thing that accelerates 2) aum a device, usu. operated by the foot, for controlling the speed of a motor vehicle engine 3) chem. a substance that increases the speed of a chemical change… … From formal English to slang
accelerator — /əkˈsɛləreɪtə / (say uhk seluhraytuh), /æk / (say ak ) noun 1. someone or something that accelerates. 2. Also, accelerant. Chemistry any substance that increases the speed of a chemical change. 3. Motor Vehicles a device which increases the speed …
Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… … Universalium
Fiber — The parts of plants that cannot be digested, namely complex carbohydrates. Also known as bulk or roughage. Complex carbohydrates from plants are rich in starch and fiber. Examples of plants that provide complex carbohydrates (fiber) are fresh… … Medical dictionary
Parasympathetic nervous system — The parasympathetic nervous system (PSNS) is a division of the autonomic nervous system (ANS), along with the sympathetic nervous system (SNS) and enteric nervous system (ENS or bowels NS ). The ANS is a subdivision of the peripheral nervous… … Wikipedia