Peripheral

Peripheral
Situated away from the center, as opposed to centrally located. For example, peripheral vision means the type of vision that allows one to see objects that are not in the center of one’s visual field. The word "peripheral" comes from the Greek "peripheria" ("peri-", around or about + "pherein", to bear, carry). An IV (intravenous) catheter is a peripheral line.
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1. Relating to or situated at the periphery. 2. Situated nearer the periphery of an organ or part of the body in relation to a specific reference point; opposite of central (centralis). SYN: peripheralis [TA], eccentric (3).

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pe·riph·er·al pə-'rif-(ə-)rəl adj
1) of, relating to, involving, forming, or located near a periphery or surface part (as of the body)
2) of, relating to, affecting, or being part of the peripheral nervous system <\peripheral nerves>
3) of, relating to, or being the outer part of the visual field <good \peripheral vision>
4) of, relating to, or being blood in the systemic circulation <\peripheral lymphocytes> <\peripheral resistance> <\peripheral blood>
pe·riph·er·al·ly -ē adv

Medical dictionary. 2011.

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Look at other dictionaries:

  • peripheral — pe‧riph‧e‧ral [pəˈrɪfrəl] adjective 1. peripheral activity/​ business etc COMMERCE an activity, business etc that is not the most important one that a company is involved in: • The firm is neglecting profitable core businesses to develop… …   Financial and business terms

  • Peripheral — Pe*riph er*al, a. 1. Of or pertaining to a periphery; constituting a periphery; peripheric. [1913 Webster] 2. (Anat.) External; away from the center; as, the peripheral portion of the nervous system. [1913 Webster] …   The Collaborative International Dictionary of English

  • peripheral — (adj.) 1803, from PERIPHERY (Cf. periphery) + AL (Cf. al) (1). Related: Peripherally. Peripherals peripheral devices of a computer is from 1966 …   Etymology dictionary

  • peripheral — ► ADJECTIVE 1) relating to or situated on the periphery. 2) of secondary importance; marginal. 3) (of a device) able to be attached to and used with a computer, though not an integral part of it. 4) Anatomy near the surface of the body. ► NOUN… …   English terms dictionary

  • peripheral — I adjective beside the point, circumferential, collateral, exterior, external, extraneous, farthest, fringe, impertinent, inconsequential, inessential, irrelevant, on the edge, outer, outermost, outland, outlying, outmost, outside, perimetric,… …   Law dictionary

  • peripheral —   [engl.], zur Peripherie gehörig …   Universal-Lexikon

  • peripheral — [adj] minor, outside beside the point, borderline, exterior, external, incidental, inessential, irrelevant, minor, outer, outermost, perimetric, secondary, superficial, surface, tangential, unimportant; concepts 575,583,831 Ant. central, crucial …   New thesaurus

  • peripheral — [pə rif′ə rəl] adj. 1. of, belonging to, or forming a periphery 2. a) lying at the outside or away from the central part; outer; external b) Anat. of, at, or near the surface of the body; specif., designating or of that part of a nervous system… …   English World dictionary

  • peripheral — pe|riph|e|ral1 [pəˈrıfərəl] adj 1.) formal not as important as other things or people in a particular activity, idea, or situation ▪ a diplomat who had a peripheral role in the negotiations ▪ Her involvement in the case was peripheral. peripheral …   Dictionary of contemporary English

  • peripheral — [[t]pərɪ̱fərəl[/t]] peripherals 1) ADJ GRADED A peripheral activity or issue is one which is not very important compared with other activities or issues. Companies are increasingly keen to contract out peripheral activities like training.… …   English dictionary

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