messenger

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mes·sen·ger

(mes'en-jer),
1. That which carries a message.
2. Having message-carrying properties.

messenger

/mes·sen·ger/ (mes´en-jer) an information carrier.
second messenger  any of several classes of intracellular signals acting at or situated within the plasma membrane and translating electrical or chemical messages from the environment into cellular responses.

messenger

1. Pertaining to ribonucleic acid (RNA) that carries the coded information for protein synthesis from the DNA to the site of protein synthesis, the RIBOSOMES.
2. A HORMONE or other effector capable of acting at a distance from its site of production. A second messenger is a hormone, produced within a cell and operating on internal structures, when another hormone acts on the outer cell membrane.
References in periodicals archive ?
But cometh the mighty Google brand and all subjective comparisons will be ignored and Google Talk will become the dominant player.
Google Talk allows users to exchange instant messages with people who use other service providers.
Google Talk will also offer instant messaging, but unlike other services such as Skype or Vonage it will not let users make calls to land lines or mobile phones.
Google's instant messenger, Google Talk, went down for over four hours early Thursday morning, with users able to log on but not use the IM, according to Google.
Flipout features full Google services including Google Search, Google Maps, Gmail and Google Talk, Google's answer to instant messaging.
It also includes a new Instant Messenger client which will allows Truphone users to chat via IM to other Truphone users on the iPhone and iPad as well as to contacts on several other networks such as Facebook, Skype, AIM, Google Talk and MSN.
Google, Google Apps Marketplace, Google Apps, Gmail, Google Talk, Google Calendar, Google Docs, Google Sites and Google Video are trademarks of Google Inc.
lt;p>Just last week, Google announced that it was finally peeling the beta label off several Google Apps services, including Gmail, Google Calendar, Google Talk and Google Docs.
The firm has released a free service called Google Talk, which lets e-mail account holders talk to each other via a PC, microphone and speakers.
Nexus S, Google, Android, Google Maps, Google Search, Gmail, YouTube, Google Calendar, Google Talk, and Google Voice are trademarks of Google, Inc.
Google has axed down a lot of services when it rolls out new products, like Google + replaced the Google Buzz, Google Talk was replaced with Google Hangouts and Google Video was replaced with the popular YouTube.