Lexic.us

Definition of Ras

1. Noun. The network in the reticular formation that serves an alerting or arousal function.

Definition of Ras

1. n. See 2d Reis.

Definition of Ras

1. Acronym. redundant acronym syndrome ¹

2. Acronym. (military nautical) replenishment at sea ¹

3. Noun. (plural of Ra) ¹

4. Noun. An Ethiopian king or prince. ¹

¹ Source: wiktionary.com

Definition of Ras

1. an Ethiopian prince [n -ES]

Medical Definition of Ras

1. One of a family of oncogenes, first identified as transforming genes of Harvey and Kirsten murine sarcoma viruses. (Name from rat sarcoma because Harvey virus, though a mouse virus, obtained its transforming gene during passage in a rat). Transforming protein coded is p21ras, a GTP-binding protein with GTPase activity, that resembles regulatory G-proteins. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Ras

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